Mathematics

Amelia Brock

24 March, 16:15

Use benchmarks to estimate each sum or difference. 4/5 + 8/9

a. about 1 1/2

b. about 1 3/4

c. about 1 8/9

d. about 2

Use benchmarks to estimate each sum or difference. 17/18 + 3/7

a. about 1/4

b. about 1/2

c. about 0

d. about 1

+4

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