1) 34 estimate to ..... a) 30 b) 40 2) 18 estimate to  a) 20 b) 10 3) 54+27 is about a) 70 b) 80 4) 16+32 is about a) 40 b) 50 5) 66-15 is about a) 90 b) 50 6) 59-12 is about a) 40 b) 60 7) 59 is closer to a) 50 b) 60 8) 36 is closer to a) 40 b) 30 9) Use front end strategy to estimate 52 a) 50 b) 60 10) Use front end strategy to estimate 88 a) 90 b) 80 11) Use front end strategy to estimate 67 a) 60 b) 70 12) Use front end strategy to estimate 23 a) 30 b) 20

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