Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 35 + 80 by rounding each number to the nearest 10: ______
- Estimate 59 − 62 by rounding each number to the nearest 10: ______
- Estimate 58 + 30 by rounding each number to the nearest 10: ______
- Estimate 54 − 57 by rounding each number to the nearest 10: ______
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 87 + 61 by rounding each number to the nearest 10: ______
- Estimate 52 + 42 by rounding each number to the nearest 10: ______
- Estimate 85 − 23 by rounding each number to the nearest 10: ______
- Estimate 74 − 73 by rounding each number to the nearest 10: ______
- Estimate 33 + 67 by rounding each number to the nearest 10: ______
- Estimate 67 + 50 by rounding each number to the nearest 10: ______
- Estimate 77 − 38 by rounding each number to the nearest 10: ______
- Estimate 75 + 68 by rounding each number to the nearest 10: ______
- Estimate 49 + 84 by rounding each number to the nearest 10: ______
- Estimate 55 − 54 by rounding each number to the nearest 10: ______
- Estimate 75 − 61 by rounding each number to the nearest 10: ______
- Estimate 57 + 50 by rounding each number to the nearest 10: ______
- Estimate 64 − 44 by rounding each number to the nearest 10: ______
- Estimate 42 + 89 by rounding each number to the nearest 10: ______
- Estimate 86 + 59 by rounding each number to the nearest 10: ______