Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 48 by rounding each number to the nearest 10: ______
- Estimate 36 − 64 by rounding each number to the nearest 10: ______
- Estimate 87 − 31 by rounding each number to the nearest 10: ______
- Estimate 79 − 79 by rounding each number to the nearest 10: ______
- Estimate 65 + 89 by rounding each number to the nearest 10: ______
- Estimate 31 + 28 by rounding each number to the nearest 10: ______
- Estimate 69 − 35 by rounding each number to the nearest 10: ______
- Estimate 55 + 79 by rounding each number to the nearest 10: ______
- Estimate 89 − 51 by rounding each number to the nearest 10: ______
- Estimate 51 + 38 by rounding each number to the nearest 10: ______
- Estimate 86 − 55 by rounding each number to the nearest 10: ______
- Estimate 41 + 75 by rounding each number to the nearest 10: ______
- Estimate 27 − 51 by rounding each number to the nearest 10: ______
- Estimate 31 − 71 by rounding each number to the nearest 10: ______
- Estimate 89 − 83 by rounding each number to the nearest 10: ______
- Estimate 30 − 43 by rounding each number to the nearest 10: ______
- Estimate 43 − 62 by rounding each number to the nearest 10: ______
- Estimate 44 − 64 by rounding each number to the nearest 10: ______
- Estimate 82 − 67 by rounding each number to the nearest 10: ______
- Estimate 84 + 84 by rounding each number to the nearest 10: ______