Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 65 by rounding each number to the nearest 10: ______
- Estimate 43 + 39 by rounding each number to the nearest 10: ______
- Estimate 39 − 54 by rounding each number to the nearest 10: ______
- Estimate 65 − 25 by rounding each number to the nearest 10: ______
- Estimate 59 − 53 by rounding each number to the nearest 10: ______
- Estimate 56 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 − 36 by rounding each number to the nearest 10: ______
- Estimate 62 + 71 by rounding each number to the nearest 10: ______
- Estimate 37 − 86 by rounding each number to the nearest 10: ______
- Estimate 63 + 78 by rounding each number to the nearest 10: ______
- Estimate 64 − 46 by rounding each number to the nearest 10: ______
- Estimate 80 + 37 by rounding each number to the nearest 10: ______
- Estimate 84 − 86 by rounding each number to the nearest 10: ______
- Estimate 52 − 27 by rounding each number to the nearest 10: ______
- Estimate 27 − 75 by rounding each number to the nearest 10: ______
- Estimate 43 − 57 by rounding each number to the nearest 10: ______
- Estimate 78 − 50 by rounding each number to the nearest 10: ______
- Estimate 75 + 53 by rounding each number to the nearest 10: ______
- Estimate 85 + 78 by rounding each number to the nearest 10: ______
- Estimate 54 + 64 by rounding each number to the nearest 10: ______