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Free and open · Edexcel 1MA1

GCSE Maths textbook

Every topic in the Edexcel specification, for both Foundation and Higher. Learn the idea, follow worked examples, then practise with graded questions. Check any answer, or open the step-by-step solution and play the narrated walkthrough.

In every chapter

Clear explanations and diagrams
Worked examples written for beginners
Graded practice and exam-style questions

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Click to reveal answers and detailed steps
Narrated walkthrough of every solution
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GCSE Maths (26 of 26 chapters available)

AvailableChapter 1

Number basics

Number

Foundation Higher

AvailableChapter 2

Factors, multiples, primes and powers

Number

Foundation Higher

AvailableChapter 3

Fractions

Number

Foundation Higher

AvailableChapter 4

Decimals, rounding and estimation

Number

Foundation Higher

AvailableChapter 5

Percentages

Ratio, proportion and rates of change

Foundation Higher

AvailableChapter 6

Standard form, indices and surds

Number

Foundation Higher

AvailableChapter 7

Algebra basics

Algebra

Foundation Higher

AvailableChapter 8

Substitution and formulae

Algebra

Foundation Higher

AvailableChapter 9

Linear equations

Algebra

Foundation Higher

AvailableChapter 10

Inequalities

Algebra

Foundation Higher

AvailableChapter 11

Sequences

Algebra

Foundation Higher

AvailableChapter 12

Straight-line graphs and coordinates

Algebra

Foundation Higher

AvailableChapter 13

Quadratic and other graphs

Algebra

Foundation Higher

AvailableChapter 14

Quadratics and simultaneous equations

Algebra

Foundation Higher

AvailableChapter 15

Ratio and proportion

Ratio, proportion and rates of change

Foundation Higher

AvailableChapter 16

Units and compound measures

Ratio, proportion and rates of change

Foundation Higher

AvailableChapter 17

Angles, polygons and symmetry

Geometry and measures

Foundation Higher

AvailableChapter 18

Perimeter, area and circles

Geometry and measures

Foundation Higher

AvailableChapter 19

Volume, surface area and 3D shapes

Geometry and measures

Foundation Higher

AvailableChapter 20

Pythagoras and trigonometry

Geometry and measures

Foundation Higher

AvailableChapter 21

Transformations, congruence and similarity

Geometry and measures

Foundation Higher

AvailableChapter 22

Constructions, loci, bearings and vectors

Geometry and measures

Foundation Higher

AvailableChapter 23

Probability

Probability

Foundation Higher

AvailableChapter 24

Statistics

Statistics

Foundation Higher

AvailableChapter 25

Functions and advanced graphs

Algebra (Higher)

AvailableChapter 26

Circle theorems

Geometry (Higher)

Year 1 maths (13 of 13 chapters available)

AvailableYear 1 · Chapter 1

Numbers to 10

Number AvailableYear 1 · Chapter 2

Adding and subtracting within 10

Number AvailableYear 1 · Chapter 3

2-D and 3-D shapes

Geometry AvailableYear 1 · Chapter 4

Numbers to 20

Number AvailableYear 1 · Chapter 5

Adding and subtracting within 20

Number AvailableYear 1 · Chapter 6

Numbers to 100

Number AvailableYear 1 · Chapter 7

Length and height

Measurement AvailableYear 1 · Chapter 8

Mass and capacity

Measurement AvailableYear 1 · Chapter 9

Grouping and sharing

Number AvailableYear 1 · Chapter 10

Halves and quarters

Number AvailableYear 1 · Chapter 11

Position and direction

Geometry AvailableYear 1 · Chapter 12

Money

Measurement AvailableYear 1 · Chapter 13

Time

Year 4 maths (11 of 11 chapters available)

AvailableYear 4 · Chapter 1

Place value to 10,000

Number AvailableYear 4 · Chapter 2

Adding and subtracting

Number AvailableYear 4 · Chapter 3

Times tables to 12 × 12

Number AvailableYear 4 · Chapter 4

Multiplying and dividing

Number AvailableYear 4 · Chapter 5

Fractions

Fractions AvailableYear 4 · Chapter 6

Decimals and money

Fractions and decimals AvailableYear 4 · Chapter 7

Length, mass, capacity, perimeter and area

Measurement AvailableYear 4 · Chapter 8

Time

Measurement AvailableYear 4 · Chapter 9

Shapes, angles and symmetry

Geometry AvailableYear 4 · Chapter 10

Position and direction

Geometry AvailableYear 4 · Chapter 11

Statistics

Year 5 maths (11 of 11 chapters available)

AvailableYear 5 · Chapter 1

Place value to 1,000,000

Number AvailableYear 5 · Chapter 2

Adding and subtracting

Number AvailableYear 5 · Chapter 3

Multiples, factors, primes, squares and cubes

Number AvailableYear 5 · Chapter 4

Multiplication

Number AvailableYear 5 · Chapter 5

Division

Number AvailableYear 5 · Chapter 6

Fractions

Fractions AvailableYear 5 · Chapter 7

Decimals and percentages

Fractions and decimals AvailableYear 5 · Chapter 8

Units, perimeter, area, volume and time

Measurement AvailableYear 5 · Chapter 9

Angles and shapes

Geometry AvailableYear 5 · Chapter 10

Reflection and translation

Geometry AvailableYear 5 · Chapter 11

Statistics

Year 6 maths (13 of 13 chapters available)

AvailableYear 6 · Chapter 1

Place value to 10,000,000 and negative numbers

Number AvailableYear 6 · Chapter 2

The four operations and order of operations

Number AvailableYear 6 · Chapter 3

Common factors, multiples and primes

Number AvailableYear 6 · Chapter 4

Fractions

Fractions AvailableYear 6 · Chapter 5

Decimals

Fractions and decimals AvailableYear 6 · Chapter 6

Percentages

Fractions and decimals AvailableYear 6 · Chapter 7

Ratio and proportion

Ratio and proportion AvailableYear 6 · Chapter 8

Algebra

Algebra AvailableYear 6 · Chapter 9

Measures, area and volume

Measurement AvailableYear 6 · Chapter 10

Shapes, angles and circles

Geometry AvailableYear 6 · Chapter 11

Coordinates, reflection and translation

Geometry AvailableYear 6 · Chapter 12

Statistics: pie charts, line graphs and the mean

Statistics AvailableYear 6 · Chapter 13

SATs revision

Year 2 maths (2 of 10 chapters available)

AvailableYear 2 · Chapter 1

Place value to 100

Number: place value AvailableYear 2 · Chapter 2

Adding and subtracting

Number: addition and subtraction

Coming soonYear 2 · Chapter 3

Multiplying and dividing

Number: multiplication and division

Coming soonYear 2 · Chapter 4

Fractions

Number: fractions

Coming soonYear 2 · Chapter 5

Length, mass, capacity and temperature

Measurement

Coming soonYear 2 · Chapter 6

Money

Measurement: money

Coming soonYear 2 · Chapter 7

Time

Measurement: time

Coming soonYear 2 · Chapter 8

2-D and 3-D shapes

Geometry: properties of shapes

Coming soonYear 2 · Chapter 9

Position and direction

Geometry: position and direction

Coming soonYear 2 · Chapter 10

Statistics

Statistics

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