Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 23 by rounding each number to the nearest 10: ______
- Estimate 89 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 22 by rounding each number to the nearest 10: ______
- Estimate 89 − 53 by rounding each number to the nearest 10: ______
- Estimate 57 − 70 by rounding each number to the nearest 10: ______
- Estimate 53 + 63 by rounding each number to the nearest 10: ______
- Estimate 67 − 64 by rounding each number to the nearest 10: ______
- Estimate 39 + 62 by rounding each number to the nearest 10: ______
- Estimate 36 − 56 by rounding each number to the nearest 10: ______
- Estimate 67 + 86 by rounding each number to the nearest 10: ______
- Estimate 68 + 37 by rounding each number to the nearest 10: ______
- Estimate 76 − 33 by rounding each number to the nearest 10: ______
- Estimate 56 + 50 by rounding each number to the nearest 10: ______
- Estimate 79 − 62 by rounding each number to the nearest 10: ______
- Estimate 32 − 80 by rounding each number to the nearest 10: ______
- Estimate 53 − 56 by rounding each number to the nearest 10: ______
- Estimate 60 − 89 by rounding each number to the nearest 10: ______
- Estimate 86 − 71 by rounding each number to the nearest 10: ______
- Estimate 29 − 25 by rounding each number to the nearest 10: ______
- Estimate 79 + 56 by rounding each number to the nearest 10: ______