Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 35 + 55 by rounding each number to the nearest 10: ______
- Estimate 38 + 41 by rounding each number to the nearest 10: ______
- Estimate 26 + 53 by rounding each number to the nearest 10: ______
- Estimate 63 + 56 by rounding each number to the nearest 10: ______
- Estimate 35 − 56 by rounding each number to the nearest 10: ______
- Estimate 57 + 45 by rounding each number to the nearest 10: ______
- Estimate 73 + 72 by rounding each number to the nearest 10: ______
- Estimate 65 + 67 by rounding each number to the nearest 10: ______
- Estimate 36 − 37 by rounding each number to the nearest 10: ______
- Estimate 79 + 70 by rounding each number to the nearest 10: ______
- Estimate 41 + 26 by rounding each number to the nearest 10: ______
- Estimate 53 − 32 by rounding each number to the nearest 10: ______
- Estimate 30 + 69 by rounding each number to the nearest 10: ______
- Estimate 74 − 68 by rounding each number to the nearest 10: ______
- Estimate 59 + 61 by rounding each number to the nearest 10: ______
- Estimate 30 + 34 by rounding each number to the nearest 10: ______
- Estimate 71 − 86 by rounding each number to the nearest 10: ______
- Estimate 74 − 24 by rounding each number to the nearest 10: ______
- Estimate 49 − 24 by rounding each number to the nearest 10: ______
- Estimate 66 − 29 by rounding each number to the nearest 10: ______