Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 46 by rounding each number to the nearest 10: ______
- Estimate 21 + 23 by rounding each number to the nearest 10: ______
- Estimate 37 − 58 by rounding each number to the nearest 10: ______
- Estimate 75 + 86 by rounding each number to the nearest 10: ______
- Estimate 78 − 89 by rounding each number to the nearest 10: ______
- Estimate 52 + 87 by rounding each number to the nearest 10: ______
- Estimate 82 − 63 by rounding each number to the nearest 10: ______
- Estimate 88 + 55 by rounding each number to the nearest 10: ______
- Estimate 71 − 49 by rounding each number to the nearest 10: ______
- Estimate 41 + 26 by rounding each number to the nearest 10: ______
- Estimate 40 + 37 by rounding each number to the nearest 10: ______
- Estimate 49 + 47 by rounding each number to the nearest 10: ______
- Estimate 81 − 74 by rounding each number to the nearest 10: ______
- Estimate 46 − 79 by rounding each number to the nearest 10: ______
- Estimate 58 − 63 by rounding each number to the nearest 10: ______
- Estimate 50 − 30 by rounding each number to the nearest 10: ______
- Estimate 67 − 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 59 by rounding each number to the nearest 10: ______
- Estimate 41 + 72 by rounding each number to the nearest 10: ______
- Estimate 47 + 59 by rounding each number to the nearest 10: ______