Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 + 63 by rounding each number to the nearest 10: ______
- Estimate 64 − 21 by rounding each number to the nearest 10: ______
- Estimate 57 − 28 by rounding each number to the nearest 10: ______
- Estimate 71 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 + 64 by rounding each number to the nearest 10: ______
- Estimate 48 − 82 by rounding each number to the nearest 10: ______
- Estimate 78 + 66 by rounding each number to the nearest 10: ______
- Estimate 34 − 23 by rounding each number to the nearest 10: ______
- Estimate 70 + 65 by rounding each number to the nearest 10: ______
- Estimate 37 − 60 by rounding each number to the nearest 10: ______
- Estimate 65 + 27 by rounding each number to the nearest 10: ______
- Estimate 36 + 38 by rounding each number to the nearest 10: ______
- Estimate 88 − 61 by rounding each number to the nearest 10: ______
- Estimate 75 − 85 by rounding each number to the nearest 10: ______
- Estimate 56 + 44 by rounding each number to the nearest 10: ______
- Estimate 37 − 28 by rounding each number to the nearest 10: ______
- Estimate 56 + 31 by rounding each number to the nearest 10: ______
- Estimate 86 − 28 by rounding each number to the nearest 10: ______
- Estimate 36 + 63 by rounding each number to the nearest 10: ______
- Estimate 24 + 24 by rounding each number to the nearest 10: ______