Front

2 + (9² - 4)

Back

79

Front

6 + (4)3

Back

18

Front

(10 + 2) × 10 - 3

Back

117

Front

90 - 5² × 3

Back

15

Front

First step to simplify: 3 + 4 x 6 - 4

Back

multiplication

Front

18 + (6 – 2) × 2

Back

26

Front

Find and explain the error in the calculation: 5 - 3 + 2 = 5 - 5 = 0

Back

Addition was done first and you should have subtracted first

Front

2x + 5(y - 1) when x=8 and y=5

Back

36

Front

Solve 8+ (5)(4) - (6+10-2) + 44

Back

58

Front

Solve 7 + 3 x 5

Back

22