Secondary algebra resources

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Changing the subject of a formula (WHOLE LESSON)

Changing the subject of a formula (WHOLE LESSON)

This lesson focus on changing the subject of a formula. The lesson pack includes a PPT, a worksheet and an extensions tasks (all with answers). The PPT has a starter which focuses on exam practice, a range of examples that cover different types of changing the formula questions and a plenary to give pupils time to reflect on the lesson.

By Pedley123

Linear and Quadratic Sequences Nth term

Linear and Quadratic Sequences Nth term

Finding the nth term of linear and quadratic sequences. I designed this as homework for a higher ability year 10 group. Each section is given a point value and students must complete at least 30 points worth of questions so they can choose to do lots of easier questions or just a few difficult questions. Answers included.

By j9j8j7

Substituting Numbers into Formula

Substituting Numbers into Formula

A resource pack that helps pupils to get to grips with substituting numbers into a formula. Starter: Exam Practice- help pupils to recap over the basic questions in the exam that they SHOULD NOT get wrong. Examples: Explains to pupils how to substitute numbers into a formula- use of colours to show where each number came from. Main task: Worksheet to work on the knowledge they just gained and to put what they had learnt into practice. (Answers on the PPT) Extension: Building on what they have learnt into exam questions. (Answers included in PDF format) Plenary: To reflect upon what they have been able to do, what they need to improve and their TOP TIP for answering these style questions. (Plenary on the main worksheet)

By Pedley123

Index Laws Catchphrase

Index Laws Catchphrase

Catchphrase / Say What You See game covering multiplication, division, power and zero laws of indices. Two levels of difficulty (one without coefficients the other with coefficients). There are two phrases for each set of questions. I normally get students to number their pages 1-16 and give them a few minutes to answer as many questions as they can from the screen. I then use lolly sticks to randomly select a student who must give me an answer to one of the questions. If they get it right they reveal the square and can guess the phrase. I only let the student who has just given me an answer guess the phrase- reduces all the calling out and keeps them from guessing the phrase too quickly. I tend to have a small prize for the student that guesses the phrase. I also keep all the lolly sticks of the students who gave correct answers and pick a second winner. If the phrase is guessed really quickly then I continue to select students to give answers to have a chance at that second prize.

By j9j8j7

Change the Subject of Equations with Function Machines Card Sort

Change the Subject of Equations with Function Machines Card Sort

Change the Subject / Rearrange Formula card sort matching equations with the corresponding function machine. I often introduce this method as an alternative to balancing, particularly for KS3 and lower ability KS4 students. I find this helps students understand what order the operations have been done & helps build and understanding of how to "undo" the equations to make x the subject. Page 1- easier equations. Page 2- harder equations. Further extension- make x the subject of each equation). Page 3- answers (green is the answers to the matching task, red the answers to the extension). Note: I normally get the students to work in pairs and tell them to only cut on the dotted lines. Each student glues one block of questions into their book. I find this makes it a little easier to mark answers.

By j9j8j7

Change the Subject with Function Machines

Change the Subject with Function Machines

Scaffolded worksheet on changing the subject of equations/ rearranging formula using the function machine method. I like to teach this method as an alternative to the standard balancing, particularly for lower ability students. Answers included.

By j9j8j7

Coordinate grids Spot the Error

Coordinate grids Spot the Error

A set of 12 coordinate grids, some correct and others with common errors- uneven spacing, using different scales on different sides of the same axis, not drawing the axis on a line, etc. I often use this as a starter with older students before starting a unit on graphing to remind them of all the things they can and cannot to do. Answers included.

By j9j8j7

Math Revision - Giant Graphical Colour Floor Puzzle

Math Revision - Giant Graphical Colour Floor Puzzle

Revision of English Mathematics Key Stage 3 and/or Key Stage 4 basics. Giant floor puzzle. Print to A3 paper and then cut out the triangles. Laminate if you wish to reuse. Testing suggests optimum size for groups is 8-10 pupils. Alternately, give a couple of pieces to each pupil at the start; then as pieces placed and pupils sit in circle to watch the "core team" fit the pairs together, run substitutions in/out of the choir team from the chairs. Alternately, insist each pupil holds a single puzzle piece and finds every match for his/her piece and then stands up holding their piece in the air. This requires an overhead fish-eye/sports camera looking down on your hall/room - and a bigger than A3 print.

By BW_2012

Clumsy Clive On Rearranging Formulae

Clumsy Clive On Rearranging Formulae

Clive is still struggling to get his homework right, this time rearranging formulae being the issue. Your task, or more likely, your students' task (should they choose to accept it) is to check, correct and explain where Clive has gone wrong. Designed to create discussion in class and to check understanding.

By alutwyche