Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 − 26 by rounding each number to the nearest 10: ______
- Estimate 53 + 82 by rounding each number to the nearest 10: ______
- Estimate 83 + 89 by rounding each number to the nearest 10: ______
- Estimate 52 + 70 by rounding each number to the nearest 10: ______
- Estimate 87 + 43 by rounding each number to the nearest 10: ______
- Estimate 65 − 56 by rounding each number to the nearest 10: ______
- Estimate 76 + 48 by rounding each number to the nearest 10: ______
- Estimate 48 + 33 by rounding each number to the nearest 10: ______
- Estimate 68 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 + 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 44 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 87 − 82 by rounding each number to the nearest 10: ______
- Estimate 68 + 23 by rounding each number to the nearest 10: ______
- Estimate 40 − 65 by rounding each number to the nearest 10: ______
- Estimate 89 − 85 by rounding each number to the nearest 10: ______
- Estimate 74 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 + 65 by rounding each number to the nearest 10: ______
- Estimate 52 − 66 by rounding each number to the nearest 10: ______
- Estimate 45 + 64 by rounding each number to the nearest 10: ______