An introduction into sharing with ratio using the bar model as an ideal visual aid. Watch the video here for a quick tutorial on how to use these resources There is a teaching resource designed to be used on an Interactive Whiteboard or on a PC or Mac for one-to-one tuition. This is accompanied by a set of differentiated worksheets. Pupils are asked to share a quantity in a given ratio. A bar of the correct number of parts is created and pupils can either color in the bar in the ratio given and / or calculate the amount to go in each part. Another set of questions is based on being given the ratio & one of the final answers with the aim to find the initial quantity. For added differentiation the totals to be shared are: Level 1: Under 100 Level 2: to 1000 in multiples of 10 Level 3: to 1000 The Teaching Resources are interactive and the Worksheets are dynamic which means that at the click of a button the numbers in the questions are randomised. Answers are provided every time. This resource works with the official Adobe Acrobat Reader on Windows or Mac computers. For more information about teaching Ratio understanding

This is a no frills set of Worksheets providing an (almost) endless source of practicing column addition and subtraction of two, three or four 3-Digit numbers, differentiated to help introduce regrouping using the standard algorithm. The first set of worksheets has adding & subtracting a 2-digit number from a 3-digit number can serve as a useful interim step between adding & subtracting 2-digit numbers and adding & subtracting 3-digit numbers. It helps bridge the gap between these two levels of difficulty and provides a valuable transition in the learning process. Add a 3-Digit and a 2-Digit number & Subtract a 2-Digit from a 3-Digit number This preliminary set of worksheets serves as a useful interim step between adding & subtracting 2-digit numbers and adding & subtracting 3-digit numbers. It helps bridge the gap between these two levels of difficulty and provides a valuable transition in the learning process. No regrouping Regrouping I - Units only Regrouping II -Units and tens Add two 3-Digit numbers Regrouping I - Units only Regrouping II -Units and tens Regrouping III -Units, tens and hundreds Add more than two 3-Digit numbers Adding three 3-Digit numbers Adding four 3-Digit numbers Subtraction with two 3-Digit numbers No regrouping Regrouping I - Units only Regrouping II - Units and tens This will give you a choice of differentiating from the very start, or setting the level of work for the whole class. A choice of formats All the sets worksheets listed above come in 2 formats The questions are laid out ready to work on with the numbers in the vertical format and the answer line ready to fill in. The questions are presented in the horizontal format so that your students have to properly align the digits based on their place values, which is essential for accurate addition & subtraction. This practice reinforces the concept of place value and helps students develop a better understanding of how digits in different positions represent different values. (almost) Unlimited Worksheets ? Yes ! At the click of a button all numbers are randomized, and will therefore change every time so you can create as many different worksheets for classwork, homework, revision, preparing for assessment, review before moving on to 3-digits, etc. Answers are automatically generated every time. No-Prep Worksheets These are straightforward no-prep worksheets that require no extra work. Simply CLICK-PRINT AND GO. This makes them ideal to have printed and ready for a replacement teacher if needed. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers. UK National Curriculum. Year 3 Programme of Study: Number - Addition and Subtraction. Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction

This is a no frills set of Worksheets providing an (almost) endless source of practicing column addition and subtraction of 2-Digit numbers, differentiated to help introduce regrouping using the standard algorithm. Print out as many unique worksheets as you need. Your students will never run short of new worksheets to practice with. Addition Worksheets No regrouping Regrouping once - 2-Digit plus a 1 digit number Regrouping twice -Two 2-Digit numbers Adding three 2-Digit numbers Adding four 2-Digit numbers Subtraction Worksheets No regrouping Regrouping - 2-Digit minus a 1 digit number Regrouping -Two 2-Digit numbers A choice of formats All the sets worksheets listed above come in 2 formats The questions are laid out ready to work on with the numbers in the vertical format and the answer line ready to fill in. The questions are presented in the horizontal format so that your students can practice laying out the questions fully in standard algorithm format. These pages could also be used for practicing addition and subtraction with any other methods that are part of your curriculum.* This will give you a choice of differentiating from the very start, or setting the level of work for the whole class. Why (almost) Unlimited Worksheets ? At the click of a button all numbers are randomized, and will therefore change every time so you can create as many different worksheets for classwork, homework, revision, preparing for assessment, review before moving on to 3-digits, etc. Answers are automatically generated every time. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

A fun way to practicing adding at 4 different levels with an (almost) unlimited number of Worksheets together with a self checking Interactive Teaching Resource for the whole class engagement on an Interactive Whiteboard or on a PC/Mac computer for one-to-one tuition. Practice addition at 4 levels. Addition up to 10 Addition up to 20 Addition up to 50 Addition up to 100 Differentiating the Worksheets There are 4 addition squares on a page. You can set the range of numbers on each one individually, so you could have 4 number squares up to one level, a mix of 4 levels etc. How many worksheets are there ? All the numbers in each square are randomized at the click of a button which means you have an (almost) endless set of worksheets that could be used for classwork, homework, revision, tests etc. **Answers **are automatically generated every time. Note This resource works with the official Adobe Acrobat Reader on Windows or Mac computers.

This set of (almost) unlimited Worksheets provides practice with adding and subtracting with 4 digit, 5 digit and a mix of 3,4 & 5 digit numbers with the numbers ready laid out in columns in order to use the standard algorithm. Why (almost) Unlimited Worksheets ? There are 6 basic differentiated templates, BUT, at the click of a button all numbers are randomised, and will therefore change every time so you can create as many different worksheets for classwork, homework, review, preparing for assessments, or just simply practice at any time to keep the skill alive throughout the whole year. Answers are automatically generated every time. UK National Curriculum Year 4 Programme of Study Addition and Subtraction Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

Students compare two 3-Digit, 4-Digit, 5-Digit or 6-Digit numbers based on the meaning of the digits in each place within the number using the symbols <, =, or >. Students must first indicate which digit in each number is determining their choice of <, = or >. For each of the 4 sets of worksheets ( 3-Digit, 4-Digit, 5-Digit or 6-Digit numbers) there are 3 choices of presentation: Numbers color coded to help with comparing the same size numbers (100s, 1000s etc) and are shown in a Place Value Table. Numbers in a Place Value Table (no color coding). Numbers without Place Value Table. This will give you a choice of differentiating from the very start. How many worksheets are in each set ? Almost Unlimited. At the click of a button all numbers are randomised, so you can create as many different worksheets as you need for classwork, homework, revision, preparing for assessment, fillers etc and the numbers will change every time. Your students will never run short of new worksheets to practice with. Answers are automatically generated every time. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

These worksheets & digital teaching materials on comparing numbers and identifying whether a number of objects in one group is greater or less than the number of objects in another group will help your pupils to: understand the concept of comparison using the words “more than”, “less than” or “equal to”; compare numbers up to 10 and 20; practice counting up to 10 objects using either matching or counting strategies. express the above concepts with words and / or symbols They are divided into two sets: Comparing quantity of objects Worksheet Set 1: Are there MORE …(comparing number of objects) Worksheet Set 2: Are there LESS … (comparing number of objects) Comparing numbers Worksheet Set 1: Comparing Numbers to 10: “more than”, “less than” or “equal to” Worksheet Set 2: Comparing Numbers to 10: >, = , < Worksheet Set 3: Comparing Numbers to 20: “more than”, “less than” or “equal to” Worksheet Set 4: Comparing Numbers to 20: >, = , < How many worksheets are in each set ? Lots and lots. At the click of a button all numbers are randomised, so the questions change every time which allows you to create new worksheets for extra practice or revision throughout the year or even give groups of pupils in your class different sets of questions. Answers are automatically generated every time. Digital Teaching Material These are designed to help you introduce the content of all the worksheets listed above to the whole class on an Interactive Whiteboard, or on a PC or Mac for 1-1 tuition and again you have lots and lots of examples to practice with. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

An open number line is a very flexible and versatile tool for helping with adding and subtracting within 1000. It provides visual support allowing students to use or develop their knowledge of place value and rounding in an informal setting. The worksheets are split into 11 levels of differentiation for both Addition and Subtraction. They start with a 3-digit number plus or minus 100 then progress in steps until both numbers are randomly generated 3-digit numbers. At each level you have an (almost) unlimited number of printable worksheets that could be used throughout the year. 1st number - 3 digits, 2nd number - 100 1st number - 3 digits, 2nd number between 95 and 105 1st number - 3 digits, 2nd number between 90 and 110 1st number - 3 digits multiple of 10, 2nd number - 100 +/ - a multiple of 10 between 10 & 50 1st number - 3 digits, 2nd number - 100 +/ - a multiple of 10 between 10 and 50 1st number - 3 digits, 2nd number - multiple of 100 1st number - 3 digits, 2nd number - multiple of 100 +/ - 5 1st number - 3 digits, 2nd number - multiple of 100 +/ - 10 1st number - 3 digits multiple of 10, 2nd number - multiple of 100 +/ - a multiple of 10 between 10 & 50 1st number - 3 digits multiple of 10, 2nd number - multiple of 100 +/ - a multiple of 10 between 10 & 50 1st & 2nd numbers both 3 digits An example of the specific level being worked on is generated at the top of each worksheet at the click of a button. Besides being a memory jogger for students, it could be used to introduce the assignment when projected onto an Interactive whiteboard. Why (almost) Unlimited Worksheets ? At the click of a button all numbers are randomized, and will therefore change every time so you can create as many different worksheets for classwork, homework, review, preparing for assessments, or just simply practice at any time to keep the skill alive throughout the whole year. Your students will never run short of new worksheets to practice with. Full graphical solutions are provided for all worksheets Note This resource works with the official Adobe Acrobat Reader on Windows or Mac computers.

These resources contain three basic approaches to understanding equivalent fractions: Using 2-D shapes in the form of rectangles The number line. The numerical processes with multipliers and divisors. Equivalent Fractions with rectangles Equivalent fractions are modeled using rectangles, each representing the same area of a whole. This is an ideal visual way to introduce equivalent fractions before proceeding onto the using the number line or purely the numerical method. The 4 Sets of Worksheets provide a step by step approach as follows: Worksheet Set 1: Pupils are asked to write down the (equivalent) fractions of two colored-in rectangles. Worksheet Set 2: Pupils colour in the areas on two rectangles that represent two given equivalent fractions. Worksheet Set 3: Given two coloured-in rectangles and the denominators of the equivalent fractions, pupils must determine the numerators and the multiplier that connects the two fractions. Worksheet Set 4: Given two coloured-in rectangles pupils are asked to write down the full fractions coloured-in and the multiplier connecting the two fractions. How many worksheets are in each set ? (almost) Unlimited. At the click of a button the numbers and the corresponding shaded parts of the rectangles are randomised, so you can create as many different worksheets as you need for classwork, homework, revision, preparing for assessment, fillers etc and the numbers will change every time. Equivalent fractions on the number line. Equivalent fractions are located at the same point on the number line. The printable Worksheets consist of question containing 2 number lines divided up into a different number of equal parts between 0 and 1 which the pupils then have to compare Worksheet Set 1: Pupils are asked to write down the equivalent fraction to the one shown taking into account the number of equal parts on the line. Worksheet Set 2: Pupils have to write down the two equivalent fractions indicated on parallel number lines, each number line divided into a different number of equal parts. How many worksheets are in each set ? As with the worksheets with rectangles …almost Unlimited. Answers are automatically generated every time. Note These Worksheets work with the official Adobe Acrobat Reader on Windows or Mac computers.

Worksheets for practicing multiplying monomials, binomials, trinomials, and polynomials with four or more terms, with and without exponents. Every Worksheet has 12 questions,which start simple but then develop gradually with questions 11 & 12 being more challenging. The 6 Sets are also arranged in an order that will hopefully help you to plan building the students’ knowledge, skills and confidence with multiplying polynomials. By being able to randomise the numbers in the questions at the click of a button you will be able to generate sufficient worksheets for as much practice throughout the year as is needed to keep the skills alive. Worksheet Set 1 Students are asked to multiply simple monomials by (mainly) binomials, with some tri- & a quadri- nomial. There are no exponents to calculate. Worksheet Set 2 Students are required to multiply binomials by a monomial, moving a stage further to include exponents in each term. Worksheet Set 3 This set involves multiplying two or more monomials each with a number of variables with exponents. Worksheet Set 4 Students now practice multiplying two binomials which will include calculating multiplying variables with exponents, plus the added step of needing to combine like terms to obtain the final answer. Worksheet Set 5 This Set contains questions that include multiplying binomials by trinomials, trinomials by trinomials and trinomials raised to the power of 2 and 3 and students will practice combining like terms. Worksheet Set 6 This has an extra element in that instead of only using the standard algorithms for multiplying polynomials there is an alternative using Pascal’s triangle as a way to calculate binomial terms raised to various powers through recognising the symmetry of the powers and building of the coefficients for each term. There is additional support material for this set. Answers are automatically generated every time. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

This investigation looks into estimating the size of a large population of objects by taking samples and applying some basic mathematics. It encourages sharing of data, refining methods of collection of the data and discussions about the accuracy and limitations of the method used. Jacob’s Method of counting large numbers of objects involves dividing a given area into equal size areas. Estimate (by counting) the population of one square then multiply this by the number of squares in the grid. What happens if you use different size grids ? How do the estimates compare ? What happens if you take all the estimates in the class and find the range and mean ? How close are they all to the real number ? These and many more questions are laid out on the worksheet provided along with a number of prepared pictures with & without grids for printing or viewing on a computer. Content Teachers Notes An overview of Jacob’s Method and a guide to the Worksheets Estimation Worksheet A guide for the students on how to use Jacob’s Method and record the data. A list of questions for discussion. Estimation Crowds Designed to be used as a starter with the student’s worksheet, it contains 2 crowds of different densities. Pupils start with guessing the size of each crowd, then estimate with a 6 square grid & 24 square grid using Jacob’s Method. **Estimation Samples ** 14 pictures to choose from: crowds, stars, trees, bricks, flowers, balloons, birds in flight and more. Pupils estimate with no grid, a 6 square grid & 24 square grid, and are encouraged to experiment further with other grid sizes of their own. Estimation Sample 3 7 more pictures to choose from, but this time the distribution of the populations are not so even or regular, so its more challenging and opens up more questions. They include a football crowd, bubbles, two other crowds, a shoal of fish and a herd of wilderbeast. In all, lots of examples to practice with & food for lively discussion and critical thinking using basic math and could be taken further into investigating bias in crowd counting. Note: All the documents are printable. To view the sample populations with the grids on a computer you will need the Adobe Acrobat Reader on a PC or Mac.

This collection contains Worksheets and Teaching Pages on multiplying 2-digit, 3-digit, 4-digit and 5-digit numbers by 1-digit numbers using the standard algorithm. It will provide you with all the levels you should ever need to cover this topic for pupils who need a gentle start with 2-digit numbers to the more challenging worksheets with 5-digit numbers. Differentiation is easy and straightforward. At the click of a button you can create a whole worksheet focussed on multiplying a 2,3,4 or 5-digit number by any single digit from 2 to 9 or choose from 5 levels of a mix of multipliers - 2,3,4,5 or 3,4,5,6 or 4,5,6,7 or 5,6,7,8 or 6,7,8,9. Exactly how many worksheets are there? Virtually unlimited. You will have a minimum of 52 worksheets as described above. e.g a page on multiplying 2-digit numbers by 3, or a page dedicated to multiplying 3-digit numbers by 8 etc. BUT click any button all numbers are randomised, creating a brand new worksheet. This means that you can have as many different worksheets for classwork, homework, review, preparing for assessments, or just simply practice at any time to keep the skill alive throughout the whole year. Answers are automatically generated every time. The Teaching Pages when projected onto a screen or interactive whiteboard allows you to go through the standard algorithm for multiplication showing each step of the process to your class. You begin by choosing the multiplier ( 2 to 9) then when you press one of the randomising buttons it changes the multiplicand, so you have an endless set of examples to practice with. As you enter each digit in the answer line you get instant feedback as to whether it is correct or not. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

Learning to recognise and identify even and odd numbers is one of the simplest ways to start exploring patterns in numbers. Beginning with counting and pairing objects it develops to recognising even and odd numbers according to the last (unit) digit in a number whatever it’s size. This pack includes (almost) unlimited printable Worksheets and Digital Teaching Resources. Worksheets Set 1 Up to 14 objects either in columns or arranged randomly, practicing counting in pairs and determining whether the number is even or odd. Worksheets Set 2 Pupils use this worksheet to recognise even and odd numbers by simply looking at the last digit. There are two levels; The first contains numbers up to 100, and the second, for an extra challenge, numbers up to 1000 How is it possible to have (almost) Unlimited Worksheets ? At the click of a button all numbers or numbers of objects are randomised, and will therefore change every time so you can create as many unique worksheets for classwork, homework, review, preparing for assessments, preparing different worksheets for groups within your class or just simply practice at any time to keep the skill alive throughout the whole year. Answers are automatically generated every time. Digital Teaching Material These are designed to help you introduce the content of the worksheets to the whole class on an Interactive Whiteboard, or on a PC or Mac for 1-1 tuition and again you have (almost) unlimited examples to practice with. Digital Teaching Page 1 Use pairing and/or counting, with objects in lines and arranged randomly (supports Worksheets Set 1) Digital Teaching Page 2 Using 4 buttons you can randomly generate numbers at 4 levels: up to 30, 50, 100 or 1000 and get pupils to recognize whether they are even or odd by looking at the last digit. (supports Worksheets Set 2) Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

Compare two fractions with different numerators and different denominators using visual fraction models leading to using a numerical method by finding a common denominator. Reviewing earlier work Whilst the content of these worksheets centres around fractions with different numerators AND denominators they begin with a review of comparing fractions with the same denominator or same numerator with the number line or rectangle bar. There is also a worksheets with purely numerical questions, but you may want to leave this until after beginning the ‘Investigation’. Comparing fractions with 1/2 Again you have the same visual models as above, but you can choose whether the range of values of the denominators are from 3 or 10 or from 8 to 20. Investigating patterns when comparing patterns Here you could decide to investigate an alternative way to compare the fractions above by looking for any simple patterns in the results obtained so far that will allow your students to answer questions on comparing fractions without the need for visual models or a numerical method. Comparing fractions with different numerators and different denominators We now get to the core of the topic. There are 3 levels, all with the choice of using the number line or rectangle bars. Level 1: Denominators are between 3 and 10 Level 2: Denominators are between 3 and 20, but one is a multiple of the other. Here, it may be useful to refer back to the work done on Equivalent fractions as a double check on the answers could be done numerically. Level 3: Denominators are between 3 and 20 Transition from visual models to a numerical method At this point in the process there needs to be a transition from using visual aids to a numerical approach which students will be using in the future. Students get to see that the easiest way to compare two fractions is if they have the same denominators, then there is only the numerators to think about. This is explained firstly through using a visual fraction model which is then linked to the idea of creating a common denominator between the two fractions by multiplying the 2 denominators together (all explained in the Guide). Numerical Worksheets There are 6 basic worksheet templates here: Numerators or Denominators the same Comparing fractions to 1/2 Compare Fractions (1) - Denominators from 3 to 12 Compare Fractions (2) - One Denominator is a multiple of the other Compare Fractions (3) - Denominators from 3 to 20 Compare Fractions (4) - Denominators from 8 to 20 How many worksheets are there in total ? Lots and lots … Answers are automatically generated every time. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

Divide multi-digit whole numbers by 1 & 2-digit divisor with & without remainders. Do your pupils need practice with a specific one-digit divisor ? Start with dividing 3-Digit by 1-Digit numbers without remainders, and step by step, go as far as you want your students up to dividing 5-Digit by 2-Digit numbers with remainders. This pack has virtually unlimited Worksheets that require no preparation with 5 basic levels of differentiation, multiple other options in between, with or without remainders, with or without visual support. 5 levels of Differentiation ALL with or without remainders ALL with or without graphic support Level 1: 3-digit numbers divided by a 1-digit number. You can select a single divisor from 2 to 9, or have a page of mixed divisors Level 2: 4-digit numbers divided by 1-digit numbers Same choice of divisor as with Level 1. Level 3: 5-digit numbers divided by 1-digit numbers Same choice of divisor as with Level 1 Level 4: 5-digit numbers divided by a multiple of 10, from 10 to 90. You can select a single divisor from 20 to 90, or have a page of mixed divisors Level 5: 5-digit numbers divided by a number from 20 to 99. Separated into 9 unique worksheets - 20-29, 30-39 … to 90-99 With or Without Visual Support Worksheets are presented in two ways: Simply with the divisor dividend and the space ready for the quotient or With the above plus the scaffolding for each step of the process, with arrows indicating the numbers to be drawn down. How can there be virtually unlimited Worksheets ? At the click of a button all the numbers are randomized providing you with a new set of questions for every level, so the same one resource which could be used for classwork, revision, homework, and practice all the year round. FULL Solutions Contains every step of the standard algorithm towards the solution. This for ALL Worksheets. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers.

This resource has been expanded so there are now 2 Interactive Teaching Pages and 2 worksheets. “Adding up to 5 with Jellyfish 1” introduces the concept of adding and the symbols + and = by first counting two sets of objects and then selecting the equivalent total. The equation with numbers can then be revealed, one element at a time, and comparison between the two can be made. “Adding up to 5 with Jellyfish 2” invites the pupils to complete the addition sum and if needed do a check through counting. The 2 static worksheets cover most of the combinations of numbers that add up to 5 or less. See the “HELP” Page for further guidance. *Note This resource works with the official Adobe Acrobat Reader on Windows or Mac computers.

This set of resources covers addition and subtraction up to 1000 with the visual aid of dienes. There are 8 sets of worksheets for both addition and subtraction, making 16 in total : Addition Worksheet 1 a & b. No exchange or regrouping . Worksheet 2 a & b. Exchange of units (units add up to more than 10) Worksheet 3 a & b. Exchange of 10s( 10s add up to more than 100) Worksheet 4 a & b. Exchange of 10s and units, both 10s and units need regrouping. At each level: Worksheets a: * both numbers to be added are represented by numbers and dienes, so the dienes are essentially a support tool. *- Worksheets b: *pupils have to deduce the two numbers to be added from the dienes blocks and then do the sum. Subtraction Worksheet 1 a & b No exchange, regrouping or borrowing . Worksheet 2 a & b. Exchange 10 into ten units Worksheet 3 a & b Exchange 100 into 10 tens Worksheet 4 a & b. Exchange 10 into ten units and 100 into 10 tens At each level: Worksheets a: the first numbers is represented by a number and dienes, so the dienes are basically a support tool Worksheets b: pupils have to deduce the first number from the dienes blocks and then do the subtraction. The questions on each of the worksheets can be randomised at the click of a button, so the one resource can be used any number of times for classwork, revision, homework, assessments etc. An answer sheet is produced every time. Note These resources work with the official Adobe Acrobat Reader on Windows or Mac computers. To get a more detailed view of these resources and to try out a limited version of one of the Worksheets go to PREVIEW: Addition & Subtraction to 1000 with Dienes

This Free Preview Download has been set up so you can have a more in depth view of Introducing Percentages with Visual Support and try out a limited version of the Dynamic Worksheets and see for yourself the potential of this resource for you and your pupils.

This Free Preview Download has been set up so you can have a more in depth view of Add & Subtract numbers to 1dp, 2dp & 3dp and try out a limited version of the Dynamic Worksheets and see for yourself the potential of this resource for you and your pupils.

An Interactive PDF Teaching Resource AND Dynamic PDF Worksheet The minuends and subtrahends are randomised at the click of a button and you can choose from 6 ranges of numbers: 1- 10 1 - 20 1 - 50 1 - 100 in 10s 1 - 500 in 10s 1 -1000 in 10s The Teaching Resource is designed to be used by teachers and pupils on an Interactive Whiteboard or on a PC/Mac computer for one-to-one tuition. Ideal as a warm up activity at the start of a lesson or game at the end. The Dynamic PDF Worksheet provides 2 Subtraction Squares on one page, (again with randomisation of numbers in the same range as on the Teaching Resource), that you can print out for the pupils. Answers are viewable for both the above resources. A Help Guide and is included. Note *This resource works with the official Adobe Acrobat Reader on Windows or Mac computers.