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Mr Cullen's Maths Shop

Average Rating4.59
(based on 26 reviews)

I am an experienced teacher dedicated to creating fantastic resources that engage pupils. My resources give teachers examples that they can model with pupils before giving pupils the chance to practice plenty of example questions. My pupils love answering questions using the catchphrase activity - I have found it really keeps them on task and engaged (especially if there is a small prize for whoever answers the catchphrase correct!)

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I am an experienced teacher dedicated to creating fantastic resources that engage pupils. My resources give teachers examples that they can model with pupils before giving pupils the chance to practice plenty of example questions. My pupils love answering questions using the catchphrase activity - I have found it really keeps them on task and engaged (especially if there is a small prize for whoever answers the catchphrase correct!)
Finding the Equation of a Tangent to a Circle - GCSE Higher Tier (new 1-9 GCSE style) resource
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Finding the Equation of a Tangent to a Circle - GCSE Higher Tier (new 1-9 GCSE style) resource

(1)
A resource that is ideal if you are teaching pupils how to find the tangent to a circle at a given co-ordinate. This now appears on the new higher tier 1-9 GCSE. Included is the following: Re-cap on finding the radius of a circle from its equation Re-cap on understanding that two lines are perpendicular when gradients multiply to -1 Two examples on powerpoint & word document (see attached) that allow the teacher to model how to find the equation of a tangent to a circle. It is scaffolded into three steps: Step 1: Find the gradient of the radius to a given point on the circumference, Step 2: Find the gradient of a tangent and Step 3: Finding the equation of a tangent. One page (7 different questions) requiring pupils to find the equation of tangents. Q6 and Q7 provide extension opportunities. Plenary question - AQA exam question.
Forming and Solving Equations when GIVEN THE PERIMETER or when shapes have EQUAL SIDES
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Forming and Solving Equations when GIVEN THE PERIMETER or when shapes have EQUAL SIDES

(1)
Ideal resource for teaching pupils how to form and solve equations when you are given the perimeter and given side lengths in algebra OR when side lengths are given using algebra and are equal (e.g. opposite sides of a rectangle). Includes the following: Two practice questions where pupils are given shapes that have side lengths using algebra (e.g. 2x + 3, 3x - 4). Pupils need to form an expression for the perimeter and make it equal to the given perimeter. There is then a slide with 8 questions for pupils to practice. Two pratice questions where pupils are given a rectangle / isosceles triangle and use the fact that there are pairs of equal sides to form an equation and solve (e.g. 4x - 3 = 2x + 7). There is then a slide with 8 questions for pupils to practice. Finally there is a slide with 8 questions (different styles) for pupils to use as revision.
Forming and Solving Equations - Worded Questions "I think of a number"
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Forming and Solving Equations - Worded Questions "I think of a number"

(1)
Ideal resource for introducing pupils to forming and solving equations. All questions are of the style like the following. " I think of a number. I times it by 5, then subtract 3. My answer is 17. What was the number I was thinking of?" Form an equation and solve. It starts with asking pupils to create 'one-step' equations, then moves onto two-step equations. There is a two sided worksheet with plenty of questions on both one step and two step equations. I have also included an extension slide with three step equations and double sided eqautions. This resource is tried and tested on all levels of pupils / all years and has worked really well.
Standard Form - Converting between ordinary numbers and standard form (including CATCHPHRASE)
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Standard Form - Converting between ordinary numbers and standard form (including CATCHPHRASE)

(1)
Ideal resource for teaching pupils converting to and from ordinary numbers and standard form. There are four sections to the resource - each has some questions for the teacher to model with pupils and a slide with practice questions (some with extension style questions). Section 1: Converting big numbers (e.g. 340000) to standard form + Practice Questions Section 2: Converting small numbers (e.g. 0.0005) to standard form + Practice Questions There is also a catchphrase activity with 25 mixed questions covering sections 1 and 2 - clicking on a square reveals part of a picture. Great for pupil engagement, answer: good for nothing. Section 3: Converting standard form to ordinary numbers (big numbers) + Practice Questions Section 4: Converting standard form to ordinary numbers (small numbers) + Practice Questions
Finding the mean (WITH NEGATIVES) & CATCHPHRASE ACTIVITY
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Finding the mean (WITH NEGATIVES) & CATCHPHRASE ACTIVITY

(0)
Perfect resource for a lower ability group (or Years 7-8). Pupils are asked to find the mean from a list of numbers. All the questions do not require calculators and help build pupils mental addition / subtraction skills. The presentation can be split into three sections. Section 1: No negatives - example for the teacher to demonstrate and then eight practice questions. Section 2: With negatives - examples for the teacher to demonstrate and then eight practice questions. Section 3: A catchphrase plenary with mixed questions on finding the mean (with/without negatives). Answer to the catchphrase is 'First Aid'.
Mean, Median, Mode and Range (with negatives!) - questions and CATCHPHRASE ACTIVITY
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Mean, Median, Mode and Range (with negatives!) - questions and CATCHPHRASE ACTIVITY

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Ideal resource for teaching pupils how to find the mean, median, mode and range from a set of numbers. The later questions include negative numbers which will stretch the more able pupils. Includes the following: Definition of mean, median, mode and range Two practice questions (with animated answers) that the teacher can model with the pupils. Five practice questions A catchphrase activity with 16 questions. Each question requires pupils to find two of either mode, median, mode or range. Questions towards the end are more challenging (include negative numbers).
Finding the median (including decimals & harder examples) and CATCHPHRASE ACTIVITY
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Finding the median (including decimals & harder examples) and CATCHPHRASE ACTIVITY

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Perfect resource for teaching pupils how to find the median from a set of numbers. It contains three examples that the teacher can use to model with pupils. Example 1 is straight forward. Example 2 has a decimal answer. Example 3 requires pupils to find the middle of two numbers that are not next to each other e.g. 4 and 8. There is then a slide with 10 questions (mixture of above) for pupils to practice. Finally, there is a catchphrase activity - 9 further questions that give pupils the chance to reveal part of a picture. Fully animated. Answer is 'Hole in One'. Great as a plenery or starter activity.
WORDED GCSE forming and solving equations - angles in triangles / ages
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WORDED GCSE forming and solving equations - angles in triangles / ages

(1)
Perfect resource for teaching pupils how to form and solve equations. All worded problems - angles in a triangle, ages of three different people etc. Very similar style to the question on Edexcel GCSE June 2017 (see example image). Helps pupils to form expressions and combine them to form and solve equations. Five example questions (with answers) and eight practice questions on Powerpoint / separate worksheet. Please also check out my resource of forming and solving - finding angles / perimeter.
Equation of a Circle - Examples and Questions
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Equation of a Circle - Examples and Questions

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This resource is ideal for teaching pupils about the equation of a circle. It includes examples to work through on: Finding the radius from the equation of a circle (e.g. find radius of x² + y² = 16) Drawing a circle from its equation Finding the equation of a circle when drawn onto an axis Estimate solutions (from graphing) where a circle crosses a straight line It then has one-slide of questions which will allow pupils to practice the above topics. Perfect for higher tier pupils of different abilities.
Pythagoras Trigonometry - TWO STEP PROBLEM SOLVING
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Pythagoras Trigonometry - TWO STEP PROBLEM SOLVING

(1)
Perfect resource for higher ability pupils to practice both Pythagoras and Trigonometry problems. All questions require pupils to use a combination of both Pythagoras and Trigonometry in each question. There are two worked examples and 9 practice questions (all with answers!). Finding side lengths and finding angles included.
Trigonometry - deriving exact values for cos, sin and tan 30/45/60 & problem solving questions
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Trigonometry - deriving exact values for cos, sin and tan 30/45/60 & problem solving questions

(1)
Perfect resource for showing pupils how to derive exact values for sin, cos and tan 30/45/60 using right angled triangles. Fully animated to step through the process for each (using the formula triangles SOH, CAH, TOA). In addition, there are some extension problem solving questions that require pupils to find side lengths in sin 30 and cos 60 triangles. These are the easier versions of this style of problem that do not include surds. There are 2 questions to model to pupils and 4 practice questions. Practice questions have answers included.
Expanding Triple Brackets (including Problem Solving GCSE questions)
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Expanding Triple Brackets (including Problem Solving GCSE questions)

(2)
Perfect resource for teaching pupils how to expand triple brackets - new grade 9-1 GCSE content. Starter: Expanding double brackets x2 questions. The resource includes 3 (fully animated) practice questions. I personally use grid method to avoid common mistakes made by pupils. There are then 9 practice questions with answers. DIFFERENTIATED to stretch the most able pupils. 3 questions require pupils to form expressions for the volume of a cuboid, triangular prism and cube. This is a CATCHPHRASE activity. Pupils answer questions to reveal a picture - 'Hole in One'.
Error Intervals & Bounds (new Foundation GCSE 9-1 content!)
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Error Intervals & Bounds (new Foundation GCSE 9-1 content!)

(2)
Perfect resource for teaching Foundation pupils error intervals and bounds. This is new GCSE content and has been seen on June 2017 Edexcel and AQA examination papers (4 marks on offer). The resource is split into two sections. Section 1 - Pupils state the error intervals. 5 model questions (with animated answers) and a further 20 questions, including a CATCHPHRASE activity. Answer: Half Baked. Section 2 - Pupils solve problems using error intervals (e.g. minimum & maximum perimeter). 4 questions that the teacher can use to model and a further 8 questions on a worksheet to practice.