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Irby Maths Shop

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Welcome! Some of my resources consist of notes, examples and questions; others just have questions for extra practice. They’ve worked well for me - I hope you find them useful! John Doyle from Irby, Wirral, UK.

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Welcome! Some of my resources consist of notes, examples and questions; others just have questions for extra practice. They’ve worked well for me - I hope you find them useful! John Doyle from Irby, Wirral, UK.
Substitutions Worksheet
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Substitutions Worksheet

(2)
30 questions up to GCSE level on the substitution of numbers into algebraic expressions. Answers included. “Substitutions Worksheet” (pdf and ppt versions) is FREE to download. For a detailed introduction to algebraic substitution, with examples and many questions to try, please have a look at "Substitution of Numbers into Algebraic Expressions". This extensive resource on 12 A4 pages contains notes, worked examples and 133 questions in five exercises (with answers). This resource is suitable for the beginner and goes up to GCSE level. "Substitution of Numbers into Algebraic Expressions" can be downloaded from Irby Maths’ Shop for £1.80.
Equations Worksheet
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Equations Worksheet

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38 questions up to GCSE level on linear equations. The worksheet starts with problems described in words and moves on to questions where the variable is on both sides and fractional equations. Answers included. “Equations Worksheet” (pdf and ppt versions) is FREE to download. My resource Solving Linear Equations - Notes, Examples and Exercises contains notes, worked examples and 115 questions on linear equations in 6 exercises (with answers). This resource (on 24 A4 pages) is suitable for the beginner and goes up to GCSE level. Solving Linear Equations - Notes, Examples and Exercises can be downloaded from Irby Maths’ Shop for £1.80.
General Arithmetic Test
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General Arithmetic Test

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“General Arithmetic Test” contains a mixture of questions on fractions, decimals, whole numbers, percentages and metric units. There is space below each question for working out the answer. This non-calculator test of 30 questions up to GCSE level is FREE to download. Answers included. This free test is similar to two of the tests in my resource entitled Six Non-Calculator Tests - Number which you may like. This set of six non-calculator tests on 20 A4 pages contains two general arithmetic tests, a test on fractions, a test on decimals, a test on percentages and a test on indices and standard form. Answers included. Six Non-Calculator Tests - Number can be downloaded from Irby Maths’ Shop for £1.50.
An Introduction to Using Statistics Mode on a Calculator
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An Introduction to Using Statistics Mode on a Calculator

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A worksheet to be used when introducing statistics mode on a calculator in GCSE/AS statistics lessons. Data entry and manipulation instructions are given for finding the mean from a list of quantities and the mean from a frequency table. Three models of calculator (two Casio and one Sharp) are discussed; other models will have slightly different methods of entering and manipulating data. Calculator manuals are usually too brief and manufacturers sometimes have different methods of entering and manipulating data for calculators in their range. A class of pupils often has a variety of calculator makes and models. This can make it very confusing for pupils who are meeting statistics mode for the first time. "An Introduction to Using Statistics Mode on a Calculator" (pdf and ppt versions on 7 pages/slides) is FREE to download. It contains examples showing the working by hand and some questions for pupils to attempt using their calculator. I found that using this worksheet allowed me more time to help pupils who were having problems with their calculator. Once pupils had grappled successfully with data entry and manipulation they usually felt much happier with statistics mode and were more confident about trying other statistical functions.