Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 82 by rounding each number to the nearest 10: ______
- Estimate 81 − 35 by rounding each number to the nearest 10: ______
- Estimate 86 − 41 by rounding each number to the nearest 10: ______
- Estimate 81 + 73 by rounding each number to the nearest 10: ______
- Estimate 22 + 27 by rounding each number to the nearest 10: ______
- Estimate 55 − 60 by rounding each number to the nearest 10: ______
- Estimate 56 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 22 by rounding each number to the nearest 10: ______
- Estimate 25 + 57 by rounding each number to the nearest 10: ______
- Estimate 84 + 46 by rounding each number to the nearest 10: ______
- Estimate 78 − 47 by rounding each number to the nearest 10: ______
- Estimate 48 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 − 68 by rounding each number to the nearest 10: ______
- Estimate 58 + 31 by rounding each number to the nearest 10: ______
- Estimate 44 − 56 by rounding each number to the nearest 10: ______
- Estimate 23 + 73 by rounding each number to the nearest 10: ______
- Estimate 79 + 73 by rounding each number to the nearest 10: ______
- Estimate 73 + 62 by rounding each number to the nearest 10: ______
- Estimate 74 − 39 by rounding each number to the nearest 10: ______
- Estimate 67 + 53 by rounding each number to the nearest 10: ______