Estimating Sums 5 7 + 3 1 Actual answer 5 7 5 7 + 3 1 + 3 1 8 8 Estimated answer 5 7 6 0 + 3 1 +3 0 9 0 Your Turn! Actual answer 6 8 + 2 4 Estimated answer 6 8 + 2 4…
