Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 74 + 65 by rounding each number to the nearest 10: ______
- Estimate 51 + 51 by rounding each number to the nearest 10: ______
- Estimate 53 + 34 by rounding each number to the nearest 10: ______
- Estimate 59 + 29 by rounding each number to the nearest 10: ______
- Estimate 57 − 44 by rounding each number to the nearest 10: ______
- Estimate 87 − 40 by rounding each number to the nearest 10: ______
- Estimate 57 + 44 by rounding each number to the nearest 10: ______
- Estimate 53 + 81 by rounding each number to the nearest 10: ______
- Estimate 51 − 25 by rounding each number to the nearest 10: ______
- Estimate 40 − 72 by rounding each number to the nearest 10: ______
- Estimate 21 + 71 by rounding each number to the nearest 10: ______
- Estimate 83 + 62 by rounding each number to the nearest 10: ______
- Estimate 54 − 56 by rounding each number to the nearest 10: ______
- Estimate 78 − 56 by rounding each number to the nearest 10: ______
- Estimate 27 + 39 by rounding each number to the nearest 10: ______
- Estimate 26 + 41 by rounding each number to the nearest 10: ______
- Estimate 72 − 27 by rounding each number to the nearest 10: ______
- Estimate 28 + 71 by rounding each number to the nearest 10: ______
- Estimate 21 − 74 by rounding each number to the nearest 10: ______
- Estimate 25 + 81 by rounding each number to the nearest 10: ______