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Integers & Decimals

Revise Integers & Decimals in Number for GCSE Mathematics with 14 exam-style questions and 22 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

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Numbers Big and Small

Introduction 2

What Are Integers and Decimals?

Key Facts 3

Operations with Decimals

Key Facts 4

Method: Adding and Subtracting Decimals

Deep Dive 5

Method: Multiplying Decimals

Deep Dive 6

Decimal Conversions

Diagram 7

Worked Example 1: Adding Decimals

Notes 8

Worked Example 2: Multiplying Decimals

Notes 9

Worked Example 3: Dividing Decimals

Notes 10

Higher Level: Recurring Decimals

Deep Dive 11

Common Mistakes to Avoid

Exam Tips 12

Exam Tips

Sample Flashcards

Money calculation

£4.25 + £12.30 + £8.75 Line up decimals: 4.25 12.30 + 8.75 ------ 25.30 Answer: £25.30

What is a decimal?

A number with a decimal point showing parts of a whole. The digits after the point represent tenths, hundredths, thousandths, etc.

Sample Questions

What is the value of the digit 4 in the number 12.345?

A. 4
B. 0.4
C. 0.04
D. 40

1 markfoundation

Explain how to multiply two decimal numbers without a calculator.

2 marksstandard

exam-style questions

revision flashcards

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