3 years ago

Estimate the sum 13/30 + 2/15 and use the benchmarks 0, ,1/2,1

1 answer:

7 0

13/30 is closest to 1/2
2/15 is closest to 0

estimate : 1/2 + 0 = 1/2 (or 0.5)

actual answer : 13/30 + 2/15 = 13/30 + 4/30 = 17/30 = 0.57

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