Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 82 by rounding each number to the nearest 10: ______
- Estimate 71 + 47 by rounding each number to the nearest 10: ______
- Estimate 80 − 42 by rounding each number to the nearest 10: ______
- Estimate 82 + 50 by rounding each number to the nearest 10: ______
- Estimate 57 + 38 by rounding each number to the nearest 10: ______
- Estimate 56 − 59 by rounding each number to the nearest 10: ______
- Estimate 73 + 78 by rounding each number to the nearest 10: ______
- Estimate 83 − 55 by rounding each number to the nearest 10: ______
- Estimate 32 − 42 by rounding each number to the nearest 10: ______
- Estimate 34 + 66 by rounding each number to the nearest 10: ______
- Estimate 80 + 57 by rounding each number to the nearest 10: ______
- Estimate 76 − 64 by rounding each number to the nearest 10: ______
- Estimate 21 − 72 by rounding each number to the nearest 10: ______
- Estimate 41 − 53 by rounding each number to the nearest 10: ______
- Estimate 31 + 89 by rounding each number to the nearest 10: ______
- Estimate 65 − 88 by rounding each number to the nearest 10: ______
- Estimate 42 + 59 by rounding each number to the nearest 10: ______
- Estimate 60 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 − 64 by rounding each number to the nearest 10: ______
- Estimate 51 − 31 by rounding each number to the nearest 10: ______