Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 69 − 72 by rounding each number to the nearest 10: ______
- Estimate 71 − 34 by rounding each number to the nearest 10: ______
- Estimate 23 − 47 by rounding each number to the nearest 10: ______
- Estimate 73 − 59 by rounding each number to the nearest 10: ______
- Estimate 69 − 37 by rounding each number to the nearest 10: ______
- Estimate 66 + 39 by rounding each number to the nearest 10: ______
- Estimate 65 + 89 by rounding each number to the nearest 10: ______
- Estimate 85 − 39 by rounding each number to the nearest 10: ______
- Estimate 24 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 88 by rounding each number to the nearest 10: ______
- Estimate 27 − 57 by rounding each number to the nearest 10: ______
- Estimate 35 − 38 by rounding each number to the nearest 10: ______
- Estimate 62 − 63 by rounding each number to the nearest 10: ______
- Estimate 36 − 28 by rounding each number to the nearest 10: ______
- Estimate 86 + 74 by rounding each number to the nearest 10: ______
- Estimate 63 + 77 by rounding each number to the nearest 10: ______
- Estimate 27 − 25 by rounding each number to the nearest 10: ______
- Estimate 35 + 46 by rounding each number to the nearest 10: ______
- Estimate 35 + 39 by rounding each number to the nearest 10: ______
- Estimate 26 − 75 by rounding each number to the nearest 10: ______