Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 56 + 69 by rounding each number to the nearest 10: ______
- Estimate 46 − 67 by rounding each number to the nearest 10: ______
- Estimate 88 + 77 by rounding each number to the nearest 10: ______
- Estimate 76 − 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 62 by rounding each number to the nearest 10: ______
- Estimate 69 + 33 by rounding each number to the nearest 10: ______
- Estimate 77 − 44 by rounding each number to the nearest 10: ______
- Estimate 23 + 40 by rounding each number to the nearest 10: ______
- Estimate 32 + 58 by rounding each number to the nearest 10: ______
- Estimate 88 + 63 by rounding each number to the nearest 10: ______
- Estimate 62 − 68 by rounding each number to the nearest 10: ______
- Estimate 26 − 83 by rounding each number to the nearest 10: ______
- Estimate 39 + 36 by rounding each number to the nearest 10: ______
- Estimate 86 + 22 by rounding each number to the nearest 10: ______
- Estimate 75 − 39 by rounding each number to the nearest 10: ______
- Estimate 56 − 56 by rounding each number to the nearest 10: ______
- Estimate 57 + 85 by rounding each number to the nearest 10: ______
- Estimate 48 − 27 by rounding each number to the nearest 10: ______
- Estimate 77 − 34 by rounding each number to the nearest 10: ______
- Estimate 36 + 21 by rounding each number to the nearest 10: ______