Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 74 − 59 by rounding each number to the nearest 10: ______
- Estimate 25 + 22 by rounding each number to the nearest 10: ______
- Estimate 22 + 48 by rounding each number to the nearest 10: ______
- Estimate 87 − 52 by rounding each number to the nearest 10: ______
- Estimate 31 − 72 by rounding each number to the nearest 10: ______
- Estimate 36 − 78 by rounding each number to the nearest 10: ______
- Estimate 81 + 89 by rounding each number to the nearest 10: ______
- Estimate 81 + 75 by rounding each number to the nearest 10: ______
- Estimate 71 − 71 by rounding each number to the nearest 10: ______
- Estimate 38 − 27 by rounding each number to the nearest 10: ______
- Estimate 47 − 71 by rounding each number to the nearest 10: ______
- Estimate 89 − 37 by rounding each number to the nearest 10: ______
- Estimate 33 − 68 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 81 + 67 by rounding each number to the nearest 10: ______
- Estimate 63 + 73 by rounding each number to the nearest 10: ______
- Estimate 82 − 34 by rounding each number to the nearest 10: ______
- Estimate 43 − 45 by rounding each number to the nearest 10: ______
- Estimate 27 + 79 by rounding each number to the nearest 10: ______
- Estimate 27 − 37 by rounding each number to the nearest 10: ______