Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 89 by rounding each number to the nearest 10: ______
- Estimate 44 + 27 by rounding each number to the nearest 10: ______
- Estimate 44 − 41 by rounding each number to the nearest 10: ______
- Estimate 22 − 64 by rounding each number to the nearest 10: ______
- Estimate 41 − 67 by rounding each number to the nearest 10: ______
- Estimate 88 + 27 by rounding each number to the nearest 10: ______
- Estimate 61 + 53 by rounding each number to the nearest 10: ______
- Estimate 43 + 72 by rounding each number to the nearest 10: ______
- Estimate 57 + 27 by rounding each number to the nearest 10: ______
- Estimate 89 − 55 by rounding each number to the nearest 10: ______
- Estimate 72 + 75 by rounding each number to the nearest 10: ______
- Estimate 68 − 22 by rounding each number to the nearest 10: ______
- Estimate 25 + 43 by rounding each number to the nearest 10: ______
- Estimate 60 − 79 by rounding each number to the nearest 10: ______
- Estimate 84 + 28 by rounding each number to the nearest 10: ______
- Estimate 81 + 81 by rounding each number to the nearest 10: ______
- Estimate 67 − 22 by rounding each number to the nearest 10: ______
- Estimate 38 − 39 by rounding each number to the nearest 10: ______
- Estimate 62 − 28 by rounding each number to the nearest 10: ______
- Estimate 80 + 81 by rounding each number to the nearest 10: ______