Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 43 + 68 by rounding each number to the nearest 10: ______
- Estimate 89 + 48 by rounding each number to the nearest 10: ______
- Estimate 30 + 89 by rounding each number to the nearest 10: ______
- Estimate 70 + 76 by rounding each number to the nearest 10: ______
- Estimate 67 + 44 by rounding each number to the nearest 10: ______
- Estimate 88 + 75 by rounding each number to the nearest 10: ______
- Estimate 22 + 87 by rounding each number to the nearest 10: ______
- Estimate 86 − 83 by rounding each number to the nearest 10: ______
- Estimate 80 + 75 by rounding each number to the nearest 10: ______
- Estimate 21 + 74 by rounding each number to the nearest 10: ______
- Estimate 22 − 49 by rounding each number to the nearest 10: ______
- Estimate 24 + 59 by rounding each number to the nearest 10: ______
- Estimate 23 + 47 by rounding each number to the nearest 10: ______
- Estimate 65 + 73 by rounding each number to the nearest 10: ______
- Estimate 46 + 29 by rounding each number to the nearest 10: ______
- Estimate 71 + 84 by rounding each number to the nearest 10: ______
- Estimate 23 − 49 by rounding each number to the nearest 10: ______
- Estimate 39 + 61 by rounding each number to the nearest 10: ______
- Estimate 64 + 36 by rounding each number to the nearest 10: ______
- Estimate 60 − 48 by rounding each number to the nearest 10: ______