3y + 2= 2y + 5 LO To use different methods to solve equations. RAG

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3y + 2= 2y + 5 LO To use different methods to solve equations. RAG Key Words: Expression, Term, Equivalent, Infinite, Solve 19-Feb-19 Starter: Think / Pair / Share On your mini whiteboards write an equivalent equation. Try to solve the equation, you must be ready to explain your method. 3y + 2= 2y + 5

Equation ……3y + 2 = 2y + 5 Method 1 Method 2 Method 3 Method 4

4f + 3 = 2f + 13 Method 1 Method 2 Method 3 Method 4 f + f + f + f + 3 = f + f + 13 f + f + f + 3 = f + 10 + 3 f + f + 3 = 10 + 3 f + f = 10 f = 5 Discuss with students other methods and show them how these can be recorded.

Equation ………………………………………………………… Method 1 Method 2 Method 3 Method 4

Equation ………………………………………………………… Method 1 Method 2 Method 3 Method 4

Equation ………………………………………………………… Method 1 Method 2 Method 3 Method 4

Today’s Task Pick one of the equations and try and solve it. Make sure that you have shown all your working out. What did you do first, what did you do next etc…. Compare your solution with someone else on your table. Did they use the same method as you? Try to record 4 different methods for solving each equation.

SET C SET A SET B 2x + 1 = 19 7x + 7 = 21 3x + 6 = 33 4x + 9 = 25 3(n - 1) = 9 2(2n + 1) = 5 3(x + 4) = 4(X + 1) 3(1 + 2x) = 11(x + 2) 5(x + 5) + 3(x 3) = 48 2x + 1 = 19 7x + 7 = 21 3x + 6 = 33 4x + 9 = 25 7p + 2 = 5p + 8 7x + 18 = 74 3x – 2 = 22 3t + 4 = 2t + 11 6s + 3 = 5s + 8

2x + 3 If the perimeter of this rectangle is 56cm. Can you work out x? 3x + 5