Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 59 by rounding each number to the nearest 10: ______
- Estimate 22 + 43 by rounding each number to the nearest 10: ______
- Estimate 25 − 28 by rounding each number to the nearest 10: ______
- Estimate 23 + 32 by rounding each number to the nearest 10: ______
- Estimate 52 + 80 by rounding each number to the nearest 10: ______
- Estimate 41 − 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 62 by rounding each number to the nearest 10: ______
- Estimate 39 − 82 by rounding each number to the nearest 10: ______
- Estimate 84 − 71 by rounding each number to the nearest 10: ______
- Estimate 57 + 34 by rounding each number to the nearest 10: ______
- Estimate 48 + 39 by rounding each number to the nearest 10: ______
- Estimate 29 + 38 by rounding each number to the nearest 10: ______
- Estimate 54 + 40 by rounding each number to the nearest 10: ______
- Estimate 70 − 27 by rounding each number to the nearest 10: ______
- Estimate 37 − 22 by rounding each number to the nearest 10: ______
- Estimate 78 + 35 by rounding each number to the nearest 10: ______
- Estimate 86 − 60 by rounding each number to the nearest 10: ______
- Estimate 76 − 29 by rounding each number to the nearest 10: ______
- Estimate 53 + 22 by rounding each number to the nearest 10: ______
- Estimate 56 − 50 by rounding each number to the nearest 10: ______