Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 31 by rounding each number to the nearest 10: ______
- Estimate 25 + 48 by rounding each number to the nearest 10: ______
- Estimate 79 − 53 by rounding each number to the nearest 10: ______
- Estimate 81 + 79 by rounding each number to the nearest 10: ______
- Estimate 49 + 80 by rounding each number to the nearest 10: ______
- Estimate 71 + 62 by rounding each number to the nearest 10: ______
- Estimate 72 − 65 by rounding each number to the nearest 10: ______
- Estimate 22 − 64 by rounding each number to the nearest 10: ______
- Estimate 57 − 37 by rounding each number to the nearest 10: ______
- Estimate 48 + 53 by rounding each number to the nearest 10: ______
- Estimate 25 + 72 by rounding each number to the nearest 10: ______
- Estimate 85 + 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 48 by rounding each number to the nearest 10: ______
- Estimate 28 − 32 by rounding each number to the nearest 10: ______
- Estimate 72 − 46 by rounding each number to the nearest 10: ______
- Estimate 89 + 33 by rounding each number to the nearest 10: ______
- Estimate 61 + 41 by rounding each number to the nearest 10: ______
- Estimate 81 − 88 by rounding each number to the nearest 10: ______
- Estimate 53 − 50 by rounding each number to the nearest 10: ______
- Estimate 42 + 74 by rounding each number to the nearest 10: ______