Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 − 81 by rounding each number to the nearest 10: ______
- Estimate 31 − 49 by rounding each number to the nearest 10: ______
- Estimate 78 + 59 by rounding each number to the nearest 10: ______
- Estimate 62 + 65 by rounding each number to the nearest 10: ______
- Estimate 30 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 + 41 by rounding each number to the nearest 10: ______
- Estimate 25 − 78 by rounding each number to the nearest 10: ______
- Estimate 43 + 62 by rounding each number to the nearest 10: ______
- Estimate 74 + 80 by rounding each number to the nearest 10: ______
- Estimate 54 − 48 by rounding each number to the nearest 10: ______
- Estimate 82 + 27 by rounding each number to the nearest 10: ______
- Estimate 30 − 29 by rounding each number to the nearest 10: ______
- Estimate 40 − 40 by rounding each number to the nearest 10: ______
- Estimate 50 − 40 by rounding each number to the nearest 10: ______
- Estimate 82 + 61 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 70 − 39 by rounding each number to the nearest 10: ______
- Estimate 41 − 24 by rounding each number to the nearest 10: ______
- Estimate 74 + 44 by rounding each number to the nearest 10: ______
- Estimate 31 − 24 by rounding each number to the nearest 10: ______