Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 59 by rounding each number to the nearest 10: ______
- Estimate 48 − 74 by rounding each number to the nearest 10: ______
- Estimate 87 + 40 by rounding each number to the nearest 10: ______
- Estimate 87 − 68 by rounding each number to the nearest 10: ______
- Estimate 36 − 43 by rounding each number to the nearest 10: ______
- Estimate 51 − 63 by rounding each number to the nearest 10: ______
- Estimate 40 − 71 by rounding each number to the nearest 10: ______
- Estimate 29 − 54 by rounding each number to the nearest 10: ______
- Estimate 55 − 34 by rounding each number to the nearest 10: ______
- Estimate 82 + 72 by rounding each number to the nearest 10: ______
- Estimate 65 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 + 28 by rounding each number to the nearest 10: ______
- Estimate 68 − 78 by rounding each number to the nearest 10: ______
- Estimate 27 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 − 39 by rounding each number to the nearest 10: ______
- Estimate 55 + 25 by rounding each number to the nearest 10: ______
- Estimate 32 − 75 by rounding each number to the nearest 10: ______
- Estimate 33 + 32 by rounding each number to the nearest 10: ______
- Estimate 84 − 37 by rounding each number to the nearest 10: ______
- Estimate 51 − 80 by rounding each number to the nearest 10: ______