Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 32 by rounding each number to the nearest 10: ______
- Estimate 58 − 42 by rounding each number to the nearest 10: ______
- Estimate 81 − 25 by rounding each number to the nearest 10: ______
- Estimate 58 − 43 by rounding each number to the nearest 10: ______
- Estimate 22 + 79 by rounding each number to the nearest 10: ______
- Estimate 23 + 27 by rounding each number to the nearest 10: ______
- Estimate 87 + 66 by rounding each number to the nearest 10: ______
- Estimate 33 − 89 by rounding each number to the nearest 10: ______
- Estimate 26 + 78 by rounding each number to the nearest 10: ______
- Estimate 72 + 35 by rounding each number to the nearest 10: ______
- Estimate 58 + 63 by rounding each number to the nearest 10: ______
- Estimate 78 − 69 by rounding each number to the nearest 10: ______
- Estimate 78 − 29 by rounding each number to the nearest 10: ______
- Estimate 66 − 67 by rounding each number to the nearest 10: ______
- Estimate 81 + 84 by rounding each number to the nearest 10: ______
- Estimate 62 + 35 by rounding each number to the nearest 10: ______
- Estimate 56 − 75 by rounding each number to the nearest 10: ______
- Estimate 49 − 67 by rounding each number to the nearest 10: ______
- Estimate 82 + 88 by rounding each number to the nearest 10: ______
- Estimate 84 − 54 by rounding each number to the nearest 10: ______