Linear equations Revision. 4 kinds Easy 4 kinds Easy Two step.

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Presentation transcript:

Linear equations Revision

4 kinds Easy

4 kinds Easy Two step

4 kinds Easy Two step X on both sides

4 kinds Easy Two step X on both sides Brackets

Easy examples

What is the 3 doing? Easy examples

What is the 3 doing? Multiplying the x Easy examples

What is the 3 doing? Multiplying the x Easy examples

What is the 3 doing? Multiplying the x Do the opposite! Easy examples

What is the 3 doing? Multiplying the x Do the opposite! Divide by 3 Easy examples

What is the 3 doing? Multiplying the x Do the opposite! Divide by 3 Easy examples

What is the 6 doing? Easy examples

What is the 6 doing? Adding to the x Easy examples

What is the 6 doing? Adding to the x Do the opposite! Easy examples

What is the 6 doing? Adding to the x Do the opposite! Subtract 6 Easy examples

What is the 6 doing? Adding to the x Do the opposite! Subtract 6 Easy examples

What is the 4 doing? Easy examples

What is the 4 doing? Dividing the x Easy examples

What is the 4 doing? Dividing the x Do the opposite! Easy examples

What is the 4 doing? Dividing the x Do the opposite! Multiply by 4 Easy examples

What is the 4 doing? Dividing the x Do the opposite! Multiply by 4 Easy examples

Your turn

X=32 X=4 X=9

Two step equations

Undo the +4 Two step equations

Undo the +4 Two step equations

Undo the +4 Two step equations Undo the x3

Undo the +4 Two step equations Undo the x3

Two step equations

Undo the -3 Two step equations

Undo the -3 Two step equations

Undo the -3 Two step equations Undo the x2

Undo the -3 Two step equations Undo the x2

Your turn

X = 5 X = 6 X = 4

X on both sides

Take 3x off both sides

X on both sides Take 3x off both sides

X on both sides Take 3x off both sides Undo -4

X on both sides Take 3x off both sides Undo -4

X on both sides Take 3x off both sides Undo -4 Undo x2

X on both sides Take 3x off both sides Undo -4 Undo x2

X on both sides

Add 2x to both sides

X on both sides Add 2x to both sides

X on both sides Add 2x to both sides Undo +6

X on both sides Add 2x to both sides Undo +6

X on both sides Add 2x to both sides Undo +6 Undo x5

X on both sides Add 2x to both sides Undo +6 Undo x5

Your turn

X = 7 X = 3 X = 5 X = 10

Brackets

Multiply out bracket

Brackets Multiply out bracket

Brackets Multiply out bracket Collect terms

Brackets Multiply out bracket Collect terms

Brackets Multiply out bracket Collect terms Undo +6

Brackets Multiply out bracket Collect terms Undo +6

Brackets Multiply out bracket Collect terms Undo +6 Undo x7

Brackets Multiply out bracket Collect terms Undo +6 Undo x7

Brackets

Your turn

X = 5 X = 2

Find a GCSE textbook and complete the exercises on linear equations.

Try to complete a few of each type of equation and check the answers.