1.3.12
Inverse Ops
Inverse Operations
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.
Addition and subtraction
Addition and subtraction
- Adding 2 is the inverse of subtracting 2.
- Adding 10 is the inverse of subtracting 10.
Multiplication and division
Multiplication and division
- Multiplying by a number is the inverse of dividing by the same number.
Square and square root
Square and square root
- Squaring a number is the inverse of taking the square root.
1Number
1.1Place Value
1.2Factors & Multiples
1.3Operations
1.3.1Addition
1.3.2Subtraction
1.3.3Multiplication 10,100...
1.3.4Grid Multiplication
1.3.5Division by 10s
1.3.6Powers
1.3.7Roots
1.3.8Surds
1.3.9Rationalise denominator
1.3.10Simplify Surds
1.3.11BIDMAS
1.3.12Inverse Ops
1.3.13Standard Form
1.3.14Addition in Standard Form
1.3.15Subtraction in Standard Form
1.3.16End of Topic Test - Standard Form
1.4Fractions, Decimals & Percentages
1.4.1Fractions
1.4.2Mixed & Improper Fractions
1.4.3Write 2 Numbers as Fractions
1.4.4Adding Fractions
1.4.5Subtracting Fractions
1.4.6Multiplying Fractions
1.4.7Dividing Fractions
1.4.8Finding Fractions
1.4.9Improper & Mixed Fractions
1.4.10Decimal Place Value
1.4.11Fraction to Decimal
1.4.12Find Percentage Unitary
1.4.13Fraction to Percentage
1.4.14Percentage to Fraction
1.4.15Percentage to Decimal
1.4.16Decimal to Percentage
1.4.17Percentage using Decimal
1.4.18End of Topic Test - Fractions
1.5Growth & Decay
1.6Measurements & Units
2Algebra
2.1Introduction to Algebra
2.2Graphs
2.3Solving Equations
2.3.1Solve Linear Equations
2.3.2Words To Equation
2.3.3Solve Linear Equations Graphically
2.3.4Solve Inequality
2.3.5Graphing Inequalities
2.3.6End of Topic Test - Graphs & Equations
2.3.7Simultaneous Equations
2.3.8Simultaneous Equations Graph
2.3.9Quadratic +/-
2.3.10Factorise Quadratics
2.3.11Complete the Square
3Ratio, Proportion & Rates of Change
3.1Manipulating Ratios
3.2Ratios in Practice
3.3Percentage & Finance
4Geometry & Measures
4.1Introduction to Geometry
4.2Ruler & Compass Constructions
4.3Perimeter & Area
4.4Triangles, Quadrilaterals & Circles
4.5Transformations
4.6Triangle Formulae
4.73D Shapes
4.7.1Types of 3D Shape
4.7.2Plans & Elevations
4.7.3Nets
4.7.4Volume of 3D Shapes
4.7.5Volume of a Cuboid
4.7.6Volume of a Cylinder
4.7.7Volume of a Sphere
4.7.8Volume of a Hemisphere
4.7.9Volume of a Cone
4.7.10Volume of a Pyramid
4.7.11Surface Area of a Cuboid
4.7.12Surface Area of a Cylinder
4.7.13Surface Area of a Sphere/Hemisphere
4.7.14Surface Area of a Cone
4.7.15Surface Area of Composite Shapes
4.7.16End of Topic Test - Triangles, Area, & 3D Shapes
4.8Vectors
5Probability
5.1Introduction to Probability
5.2Representing Probability
6Statistics
6.1Introduction to Statistics
Jump to other topics
1Number
1.1Place Value
1.2Factors & Multiples
1.3Operations
1.3.1Addition
1.3.2Subtraction
1.3.3Multiplication 10,100...
1.3.4Grid Multiplication
1.3.5Division by 10s
1.3.6Powers
1.3.7Roots
1.3.8Surds
1.3.9Rationalise denominator
1.3.10Simplify Surds
1.3.11BIDMAS
1.3.12Inverse Ops
1.3.13Standard Form
1.3.14Addition in Standard Form
1.3.15Subtraction in Standard Form
1.3.16End of Topic Test - Standard Form
1.4Fractions, Decimals & Percentages
1.4.1Fractions
1.4.2Mixed & Improper Fractions
1.4.3Write 2 Numbers as Fractions
1.4.4Adding Fractions
1.4.5Subtracting Fractions
1.4.6Multiplying Fractions
1.4.7Dividing Fractions
1.4.8Finding Fractions
1.4.9Improper & Mixed Fractions
1.4.10Decimal Place Value
1.4.11Fraction to Decimal
1.4.12Find Percentage Unitary
1.4.13Fraction to Percentage
1.4.14Percentage to Fraction
1.4.15Percentage to Decimal
1.4.16Decimal to Percentage
1.4.17Percentage using Decimal
1.4.18End of Topic Test - Fractions
1.5Growth & Decay
1.6Measurements & Units
2Algebra
2.1Introduction to Algebra
2.2Graphs
2.3Solving Equations
2.3.1Solve Linear Equations
2.3.2Words To Equation
2.3.3Solve Linear Equations Graphically
2.3.4Solve Inequality
2.3.5Graphing Inequalities
2.3.6End of Topic Test - Graphs & Equations
2.3.7Simultaneous Equations
2.3.8Simultaneous Equations Graph
2.3.9Quadratic +/-
2.3.10Factorise Quadratics
2.3.11Complete the Square
3Ratio, Proportion & Rates of Change
3.1Manipulating Ratios
3.2Ratios in Practice
3.3Percentage & Finance
4Geometry & Measures
4.1Introduction to Geometry
4.2Ruler & Compass Constructions
4.3Perimeter & Area
4.4Triangles, Quadrilaterals & Circles
4.5Transformations
4.6Triangle Formulae
4.73D Shapes
4.7.1Types of 3D Shape
4.7.2Plans & Elevations
4.7.3Nets
4.7.4Volume of 3D Shapes
4.7.5Volume of a Cuboid
4.7.6Volume of a Cylinder
4.7.7Volume of a Sphere
4.7.8Volume of a Hemisphere
4.7.9Volume of a Cone
4.7.10Volume of a Pyramid
4.7.11Surface Area of a Cuboid
4.7.12Surface Area of a Cylinder
4.7.13Surface Area of a Sphere/Hemisphere
4.7.14Surface Area of a Cone
4.7.15Surface Area of Composite Shapes
4.7.16End of Topic Test - Triangles, Area, & 3D Shapes
4.8Vectors
5Probability
5.1Introduction to Probability
5.2Representing Probability
6Statistics
6.1Introduction to Statistics
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