Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 − 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 52 by rounding each number to the nearest 10: ______
- Estimate 45 − 37 by rounding each number to the nearest 10: ______
- Estimate 23 + 44 by rounding each number to the nearest 10: ______
- Estimate 38 + 37 by rounding each number to the nearest 10: ______
- Estimate 38 + 76 by rounding each number to the nearest 10: ______
- Estimate 37 + 49 by rounding each number to the nearest 10: ______
- Estimate 49 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 − 70 by rounding each number to the nearest 10: ______
- Estimate 89 − 76 by rounding each number to the nearest 10: ______
- Estimate 81 + 78 by rounding each number to the nearest 10: ______
- Estimate 62 + 40 by rounding each number to the nearest 10: ______
- Estimate 57 − 25 by rounding each number to the nearest 10: ______
- Estimate 32 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 − 81 by rounding each number to the nearest 10: ______
- Estimate 54 + 82 by rounding each number to the nearest 10: ______
- Estimate 85 − 60 by rounding each number to the nearest 10: ______
- Estimate 71 − 29 by rounding each number to the nearest 10: ______
- Estimate 86 − 31 by rounding each number to the nearest 10: ______