Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 − 31 by rounding each number to the nearest 10: ______
- Estimate 61 − 81 by rounding each number to the nearest 10: ______
- Estimate 54 + 84 by rounding each number to the nearest 10: ______
- Estimate 30 + 75 by rounding each number to the nearest 10: ______
- Estimate 36 + 83 by rounding each number to the nearest 10: ______
- Estimate 30 + 39 by rounding each number to the nearest 10: ______
- Estimate 67 + 88 by rounding each number to the nearest 10: ______
- Estimate 47 − 26 by rounding each number to the nearest 10: ______
- Estimate 48 + 82 by rounding each number to the nearest 10: ______
- Estimate 62 + 76 by rounding each number to the nearest 10: ______
- Estimate 45 − 84 by rounding each number to the nearest 10: ______
- Estimate 64 + 51 by rounding each number to the nearest 10: ______
- Estimate 30 + 26 by rounding each number to the nearest 10: ______
- Estimate 40 − 79 by rounding each number to the nearest 10: ______
- Estimate 75 + 74 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 89 − 38 by rounding each number to the nearest 10: ______
- Estimate 33 − 43 by rounding each number to the nearest 10: ______
- Estimate 36 − 89 by rounding each number to the nearest 10: ______
- Estimate 66 − 68 by rounding each number to the nearest 10: ______