Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 45 by rounding each number to the nearest 10: ______
- Estimate 74 + 48 by rounding each number to the nearest 10: ______
- Estimate 34 − 72 by rounding each number to the nearest 10: ______
- Estimate 47 − 61 by rounding each number to the nearest 10: ______
- Estimate 23 − 26 by rounding each number to the nearest 10: ______
- Estimate 60 + 43 by rounding each number to the nearest 10: ______
- Estimate 43 − 86 by rounding each number to the nearest 10: ______
- Estimate 61 − 80 by rounding each number to the nearest 10: ______
- Estimate 31 + 84 by rounding each number to the nearest 10: ______
- Estimate 88 − 63 by rounding each number to the nearest 10: ______
- Estimate 24 − 55 by rounding each number to the nearest 10: ______
- Estimate 22 + 68 by rounding each number to the nearest 10: ______
- Estimate 76 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 − 48 by rounding each number to the nearest 10: ______
- Estimate 79 − 61 by rounding each number to the nearest 10: ______
- Estimate 82 − 23 by rounding each number to the nearest 10: ______
- Estimate 48 − 87 by rounding each number to the nearest 10: ______
- Estimate 74 − 31 by rounding each number to the nearest 10: ______
- Estimate 38 + 39 by rounding each number to the nearest 10: ______
- Estimate 87 + 87 by rounding each number to the nearest 10: ______