Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 29 − 35 by rounding each number to the nearest 10: ______
- Estimate 52 − 50 by rounding each number to the nearest 10: ______
- Estimate 66 − 48 by rounding each number to the nearest 10: ______
- Estimate 68 + 83 by rounding each number to the nearest 10: ______
- Estimate 85 + 63 by rounding each number to the nearest 10: ______
- Estimate 59 + 39 by rounding each number to the nearest 10: ______
- Estimate 84 − 46 by rounding each number to the nearest 10: ______
- Estimate 80 − 66 by rounding each number to the nearest 10: ______
- Estimate 80 − 32 by rounding each number to the nearest 10: ______
- Estimate 54 − 72 by rounding each number to the nearest 10: ______
- Estimate 25 − 61 by rounding each number to the nearest 10: ______
- Estimate 37 − 27 by rounding each number to the nearest 10: ______
- Estimate 87 + 44 by rounding each number to the nearest 10: ______
- Estimate 59 − 42 by rounding each number to the nearest 10: ______
- Estimate 36 − 48 by rounding each number to the nearest 10: ______
- Estimate 77 + 52 by rounding each number to the nearest 10: ______
- Estimate 62 − 57 by rounding each number to the nearest 10: ______
- Estimate 48 + 60 by rounding each number to the nearest 10: ______
- Estimate 87 − 36 by rounding each number to the nearest 10: ______
- Estimate 69 − 38 by rounding each number to the nearest 10: ______