Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 26 − 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 80 by rounding each number to the nearest 10: ______
- Estimate 48 + 65 by rounding each number to the nearest 10: ______
- Estimate 67 − 65 by rounding each number to the nearest 10: ______
- Estimate 36 − 56 by rounding each number to the nearest 10: ______
- Estimate 41 − 54 by rounding each number to the nearest 10: ______
- Estimate 23 + 83 by rounding each number to the nearest 10: ______
- Estimate 23 − 37 by rounding each number to the nearest 10: ______
- Estimate 89 − 63 by rounding each number to the nearest 10: ______
- Estimate 73 + 42 by rounding each number to the nearest 10: ______
- Estimate 56 − 73 by rounding each number to the nearest 10: ______
- Estimate 88 + 53 by rounding each number to the nearest 10: ______
- Estimate 24 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 + 87 by rounding each number to the nearest 10: ______
- Estimate 40 + 56 by rounding each number to the nearest 10: ______
- Estimate 30 − 23 by rounding each number to the nearest 10: ______
- Estimate 77 + 74 by rounding each number to the nearest 10: ______
- Estimate 35 − 72 by rounding each number to the nearest 10: ______
- Estimate 84 + 62 by rounding each number to the nearest 10: ______
- Estimate 76 + 35 by rounding each number to the nearest 10: ______