Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 49 by rounding each number to the nearest 10: ______
- Estimate 62 − 56 by rounding each number to the nearest 10: ______
- Estimate 68 − 46 by rounding each number to the nearest 10: ______
- Estimate 33 − 55 by rounding each number to the nearest 10: ______
- Estimate 89 + 54 by rounding each number to the nearest 10: ______
- Estimate 60 + 28 by rounding each number to the nearest 10: ______
- Estimate 62 + 47 by rounding each number to the nearest 10: ______
- Estimate 40 − 54 by rounding each number to the nearest 10: ______
- Estimate 27 − 51 by rounding each number to the nearest 10: ______
- Estimate 84 − 32 by rounding each number to the nearest 10: ______
- Estimate 49 − 88 by rounding each number to the nearest 10: ______
- Estimate 60 + 56 by rounding each number to the nearest 10: ______
- Estimate 21 − 86 by rounding each number to the nearest 10: ______
- Estimate 27 − 29 by rounding each number to the nearest 10: ______
- Estimate 76 − 34 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 87 + 23 by rounding each number to the nearest 10: ______
- Estimate 81 − 37 by rounding each number to the nearest 10: ______
- Estimate 57 + 66 by rounding each number to the nearest 10: ______
- Estimate 22 − 32 by rounding each number to the nearest 10: ______