Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 45 by rounding each number to the nearest 10: ______
- Estimate 33 − 54 by rounding each number to the nearest 10: ______
- Estimate 53 + 65 by rounding each number to the nearest 10: ______
- Estimate 72 − 76 by rounding each number to the nearest 10: ______
- Estimate 70 + 68 by rounding each number to the nearest 10: ______
- Estimate 66 − 87 by rounding each number to the nearest 10: ______
- Estimate 71 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 87 by rounding each number to the nearest 10: ______
- Estimate 86 − 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 76 by rounding each number to the nearest 10: ______
- Estimate 68 − 40 by rounding each number to the nearest 10: ______
- Estimate 53 + 64 by rounding each number to the nearest 10: ______
- Estimate 52 + 80 by rounding each number to the nearest 10: ______
- Estimate 81 − 21 by rounding each number to the nearest 10: ______
- Estimate 24 + 84 by rounding each number to the nearest 10: ______
- Estimate 88 − 51 by rounding each number to the nearest 10: ______
- Estimate 57 − 76 by rounding each number to the nearest 10: ______
- Estimate 45 + 59 by rounding each number to the nearest 10: ______
- Estimate 21 − 44 by rounding each number to the nearest 10: ______
- Estimate 36 − 53 by rounding each number to the nearest 10: ______