Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 − 34 by rounding each number to the nearest 10: ______
- Estimate 71 − 59 by rounding each number to the nearest 10: ______
- Estimate 63 + 82 by rounding each number to the nearest 10: ______
- Estimate 40 − 87 by rounding each number to the nearest 10: ______
- Estimate 52 + 76 by rounding each number to the nearest 10: ______
- Estimate 79 + 79 by rounding each number to the nearest 10: ______
- Estimate 29 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 + 34 by rounding each number to the nearest 10: ______
- Estimate 24 + 55 by rounding each number to the nearest 10: ______
- Estimate 67 − 25 by rounding each number to the nearest 10: ______
- Estimate 69 − 81 by rounding each number to the nearest 10: ______
- Estimate 41 − 68 by rounding each number to the nearest 10: ______
- Estimate 76 + 77 by rounding each number to the nearest 10: ______
- Estimate 44 + 89 by rounding each number to the nearest 10: ______
- Estimate 49 + 63 by rounding each number to the nearest 10: ______
- Estimate 51 − 61 by rounding each number to the nearest 10: ______
- Estimate 69 − 84 by rounding each number to the nearest 10: ______
- Estimate 52 − 48 by rounding each number to the nearest 10: ______
- Estimate 54 + 39 by rounding each number to the nearest 10: ______
- Estimate 89 − 55 by rounding each number to the nearest 10: ______