Math · Age 9 · Addition & Subtraction
Estimating with Rounding (Ex. 1)
Estimate answers to calculations using rounding.
Module
Addition & Subtraction
Age
Age 9
Duration
8 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Estimate 4,783 + 2,241 by rounding both to the nearest 1,000.
Question 2
Multiple choice
Estimate 8,612 − 3,489 by rounding to nearest 1,000.
Question 3
Multiple choice
Which is the best estimate for 3,954 + 2,103?
Question 4
Sequence
Estimated: 2,500 + 4,500 = 7,000; 2,500 + 5,500 = 8,000; 2,500 + 6,500 = ___.
Question 5
True or false
Rounding 4,672 and 3,218 to the nearest 1,000 gives an estimate of 8,000.