Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 80 by rounding each number to the nearest 10: ______
- Estimate 28 + 69 by rounding each number to the nearest 10: ______
- Estimate 45 + 89 by rounding each number to the nearest 10: ______
- Estimate 79 + 68 by rounding each number to the nearest 10: ______
- Estimate 80 − 62 by rounding each number to the nearest 10: ______
- Estimate 69 − 44 by rounding each number to the nearest 10: ______
- Estimate 31 + 70 by rounding each number to the nearest 10: ______
- Estimate 68 − 80 by rounding each number to the nearest 10: ______
- Estimate 56 − 44 by rounding each number to the nearest 10: ______
- Estimate 40 + 59 by rounding each number to the nearest 10: ______
- Estimate 56 + 62 by rounding each number to the nearest 10: ______
- Estimate 60 + 66 by rounding each number to the nearest 10: ______
- Estimate 81 − 81 by rounding each number to the nearest 10: ______
- Estimate 72 − 62 by rounding each number to the nearest 10: ______
- Estimate 43 − 49 by rounding each number to the nearest 10: ______
- Estimate 55 + 72 by rounding each number to the nearest 10: ______
- Estimate 27 − 77 by rounding each number to the nearest 10: ______
- Estimate 51 + 81 by rounding each number to the nearest 10: ______
- Estimate 61 − 36 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______