X = 7.5 2X = 15

Solving equations

Matching activity

Match the cards

into groups of 3...

Record your answers in the table by noting the number on the cards (version 1)

Or cut them out and physically match them into groups (version 2).

6 18

A

A B C D E F G H I J K L M N

6

18

2X + 1 = 15 = 8 + 2 = 15 X - 7 = 15 - 2 = 8 X - 2 = 15 = 8

X + 15 = 8 2(X + 7)= 8 = 15 2x + 7 = 8 X + 2 = 15 2X = 15 2(X + 1)= 15

X = -3 x = -7 x = 6.5 x = 7 x = 20 x = 18 x = 17

X = 14 x = 13 x = 0.5 x = 7.5 x = 30 x = 26 x = 22

A B C D E F G H I J K L M N

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Answers A B C D E F G H I J K L M N

12 8 6 1 9 3 10 2 7 13 4 11 14 5

22 20 24 21 23 16 18 17 28 25 15 27 19 26

Version 2

(cut and stick)

X = 8 2X + 1 = 15

X = -7 = 8

X = 13 2(X + 7) = 8

X = 6.5 + 2 = 15

X = 0.5 = 15

X = 7 X - 7 = 15

X = 7.5 2x + 7 = 8

X = 14 2X - 1 = 15

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A

B

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X = 20 - 2 = 8

X = 30 X + 2 = 15

X = 3 X - 2 = 15

X = 26 2x == 15

X == 22

X = -3 X + 15 = 8

X = 18 2(X + 1)= 15

X = 17 = 8

2X + 2 = 8

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The Answers…

X = 7.5 2X = 15

X = 30 = 15

X = 7 2X + 1 = 15

X = 20 - 2 = 8

X = 14 = 8

X = 13 X + 2 = 15

X = 8 2X - 1 = 15

X = 0.5 2x + 7 = 8

X = -7 X + 15 = 8

X = 22 X - 7 = 15

X = 18 = 8

X = -3 2(X + 7) = 8

X = 6.5

X = 26 + 2 = 15

X = 3 2X + 2 = 8

X = 17 X - 2 = 15

2(X + 1)= 15

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