Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 23 by rounding each number to the nearest 10: ______
- Estimate 77 − 69 by rounding each number to the nearest 10: ______
- Estimate 27 − 76 by rounding each number to the nearest 10: ______
- Estimate 60 + 72 by rounding each number to the nearest 10: ______
- Estimate 39 + 89 by rounding each number to the nearest 10: ______
- Estimate 74 − 66 by rounding each number to the nearest 10: ______
- Estimate 41 − 44 by rounding each number to the nearest 10: ______
- Estimate 26 + 37 by rounding each number to the nearest 10: ______
- Estimate 78 − 71 by rounding each number to the nearest 10: ______
- Estimate 59 − 29 by rounding each number to the nearest 10: ______
- Estimate 63 + 36 by rounding each number to the nearest 10: ______
- Estimate 63 − 45 by rounding each number to the nearest 10: ______
- Estimate 88 + 69 by rounding each number to the nearest 10: ______
- Estimate 37 + 21 by rounding each number to the nearest 10: ______
- Estimate 63 − 68 by rounding each number to the nearest 10: ______
- Estimate 70 + 63 by rounding each number to the nearest 10: ______
- Estimate 84 + 62 by rounding each number to the nearest 10: ______
- Estimate 38 + 89 by rounding each number to the nearest 10: ______
- Estimate 47 + 71 by rounding each number to the nearest 10: ______
- Estimate 88 − 48 by rounding each number to the nearest 10: ______