Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 85 by rounding each number to the nearest 10: ______
- Estimate 30 + 51 by rounding each number to the nearest 10: ______
- Estimate 87 + 21 by rounding each number to the nearest 10: ______
- Estimate 71 + 85 by rounding each number to the nearest 10: ______
- Estimate 40 − 51 by rounding each number to the nearest 10: ______
- Estimate 52 − 34 by rounding each number to the nearest 10: ______
- Estimate 32 + 60 by rounding each number to the nearest 10: ______
- Estimate 27 − 88 by rounding each number to the nearest 10: ______
- Estimate 61 − 86 by rounding each number to the nearest 10: ______
- Estimate 72 − 55 by rounding each number to the nearest 10: ______
- Estimate 62 + 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 64 by rounding each number to the nearest 10: ______
- Estimate 30 − 39 by rounding each number to the nearest 10: ______
- Estimate 61 + 30 by rounding each number to the nearest 10: ______
- Estimate 82 + 88 by rounding each number to the nearest 10: ______
- Estimate 48 − 57 by rounding each number to the nearest 10: ______
- Estimate 43 − 63 by rounding each number to the nearest 10: ______
- Estimate 78 − 64 by rounding each number to the nearest 10: ______
- Estimate 88 + 35 by rounding each number to the nearest 10: ______
- Estimate 87 + 79 by rounding each number to the nearest 10: ______