Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 81 by rounding each number to the nearest 10: ______
- Estimate 21 − 57 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 84 − 68 by rounding each number to the nearest 10: ______
- Estimate 60 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 + 86 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 77 − 76 by rounding each number to the nearest 10: ______
- Estimate 29 + 27 by rounding each number to the nearest 10: ______
- Estimate 41 + 33 by rounding each number to the nearest 10: ______
- Estimate 61 + 65 by rounding each number to the nearest 10: ______
- Estimate 53 + 88 by rounding each number to the nearest 10: ______
- Estimate 29 + 84 by rounding each number to the nearest 10: ______
- Estimate 76 − 89 by rounding each number to the nearest 10: ______
- Estimate 62 + 83 by rounding each number to the nearest 10: ______
- Estimate 55 − 64 by rounding each number to the nearest 10: ______
- Estimate 29 + 89 by rounding each number to the nearest 10: ______
- Estimate 56 + 66 by rounding each number to the nearest 10: ______
- Estimate 88 − 82 by rounding each number to the nearest 10: ______
- Estimate 71 − 65 by rounding each number to the nearest 10: ______