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- Front-End Estimation of Sums
Estimate the sum using front-end estimation. Then, find the exact sum to check your answer.
- Estimating Sums by Rounding
Estimate the sum using estimation by rounding. Then, find the exact sum to check your answer
- Estimating Sums Word Problem - 1
A pirate finds a map that shows the route to some treasure. The instructions tell the pirate to go: 25.42 km North, then 61.3 km West, and finally 79.018 km North-East.
- About how many kilometers is the entire route to the treasure?
- Estimating Sums Multiple Choice
Estimate the sum using multiple estimation methods. Then choose the best answer:
12 + 11 =
A. Less than 23
B. Between 23 and 24
C. Greater than 24
- Estimating Sums Word Problem - 2
This week, Elizabeth ran 3 miles on the Monday, 7 miles on Wednesday, and 5 miles on Friday. About how many miles did she run in total for the week?