1.1.4

Inverse Operations

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Inverse Operations

Inverse operations are the opposite of each other. If you do one after the other, the number (or answer) won’t change. If inverses appear in a row, you can just cancel them out.

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Addition and subtraction

  • Adding 2 is the inverse of subtracting 2.
  • Adding 10 is the inverse of subtracting 10.
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Multiplication and division

  • Multiplying by a number is the inverse of dividing by the same number.
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Square and square root

  • Squaring a number is the inverse of taking the square root.

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

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