Linear Equations Brackets Without Coefficients Demonstration This resource

Linear Equations – Brackets – Without Coefficients – Demonstration This resource provides animated demonstrations of the mathematical method. Check animations and delete slides not needed for your class.

How heavy is one green box? 3 3 ? ? 26

How heavy is one green box? 5 5 5 27

Expand these brackets.

Linear Equations with Brackets DEMO Expand Brackets − 15 ÷ 3 How can we check the answer?

Linear Equations with Brackets DEMO Expand Brackets + 2 ÷ 2 How can we check the answer?

Linear Equations with Brackets DEMO YOUR TURN Expand Brackets + 2 How can we check the answer? − 15 ÷ 2 − 15 ÷ 2 Expand Brackets + 2 Expand Brackets ÷ 3

Linear Equations with Brackets DEMO YOUR TURN Expand Brackets + 2 How can we check the answer? − 6 ÷ 2 − 6 ÷ 2 Expand Brackets + 2 Expand Brackets ÷ 2

Linear Equations with Brackets DEMO YOUR TURN Expand Brackets + 2 How can we check the answer? + 3 ÷ 2 + 3 ÷ 2 Expand Brackets + 2 Expand Brackets ÷ 3

Linear Equations with Brackets DEMO YOUR TURN Expand Brackets + 2 How can we check the answer? + 20 ÷ 2 + 20 ÷ 2 Expand Brackets + 2 Expand Brackets ÷ 4

Linear Equations with Brackets DEMO YOUR TURN Expand Brackets + 2 ÷ 2 How can we check the answer?

What did Mae do first? Which method do you prefer?

Try each method. When might you prefer each one? Expand first Divide first

Linear Equations with Brackets DEMO ÷ 2 + 1 How can we check the answer?

Linear Equations with Brackets DEMO ÷ 5 − 9 How can we check the answer?

Linear Equations with Brackets DEMO YOUR TURN ÷ 5 − 9 ÷ 2 How can we check the answer? − 3

Linear Equations with Brackets DEMO YOUR TURN ÷ 5 − 9 ÷ 5 How can we check the answer? + 15

For each equation, decide if you would expand, or divide first, then solve.

Linear Equations with Brackets

Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk