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Solving Harder Equations

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by

Mr Mattock

on 7 July 2017

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Transcript of Solving Harder Equations

Solving Harder Equations
Starter
Examples
2(x + 2) = 12

2(x + 2) = 3

2(x + 2) = 5x - 8

3x - 5 = 15 - 2x
L.O. - Solve more involved linear equations.
Main Activity
Find the value of the ?
Find the value of the ?
w = 14
x = 6
y = 17
v = 9
z = 12
? = 52
2(x + 2) = 12
2x + 4 = 12 2x = 8 x = 4

2(x + 2) = 3
2x + 4 = 3 2x = -1 x = -0.5

2(x + 2) = 5x - 8
2x + 4 = 5x - 8 12 = 3x x = 4

3x - 5 = 15 - 2x
5x = 20 x = 4
Examples
Key
Examples

Activity
Answers

Activities
Solve each of the following equations
Main Activity
Solve each of the following equations
q = -1 x = 4 x = 5
a = -4 x = 10 x = 7
p = -3 x = 1 x = -20
Start on the left, work your way across doing the calculations in your head, and write down the answer.

START ANSWER

18 >> x 10 , ÷ 4 , - 3 , ÷ 7 , square , + 20 , ÷ 8 , x 12 , ÷ 4 ………….

18 >> x 5 , ÷ 3 , - 3 , ÷ 9 , square , + 12 , ÷ 3 , x 8 , ÷ 4 ………….

16 >> x 4 , ÷ 8 , - 2 , ÷ 3 , square , + 24 , ÷ 4 , x 9 , ÷ 3 ………….

16 >> x 3 , ÷ 2 , - 3 , ÷ 3 , square , + 5 , ÷ 9 , x 12 , ÷ 3 ………….

14 >> x 6 , ÷ 4 , - 3 , ÷ 2 , square , + 9 , ÷ 10 , x 6 , ÷ 2 ………….


Starter
Start on the left, work your way across doing the calculations in your head, and write down the answer.

START ANSWER

18 >> x 10 , ÷ 4 , - 3 , ÷ 7 , square , + 20 , ÷ 8 , x 12 , ÷ 4 …
21
….

18 >> x 5 , ÷ 3 , - 3 , ÷ 9 , square , + 12 , ÷ 3 , x 8 , ÷ 4 …
14
….

16 >> x 4 , ÷ 8 , - 2 , ÷ 3 , square , + 24 , ÷ 4 , x 9 , ÷ 3 …
21
….

16 >> x 3 , ÷ 2 , - 3 , ÷ 3 , square , + 5 , ÷ 9 , x 12 , ÷ 3 …
24
….

14 >> x 6 , ÷ 4 , - 3 , ÷ 2 , square , + 9 , ÷ 10 , x 6 , ÷ 2 …
27
….

Full transcript