Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 + 63 by rounding each number to the nearest 10: ______
- Estimate 87 + 66 by rounding each number to the nearest 10: ______
- Estimate 69 + 21 by rounding each number to the nearest 10: ______
- Estimate 70 − 62 by rounding each number to the nearest 10: ______
- Estimate 33 − 82 by rounding each number to the nearest 10: ______
- Estimate 63 − 80 by rounding each number to the nearest 10: ______
- Estimate 76 + 51 by rounding each number to the nearest 10: ______
- Estimate 37 − 56 by rounding each number to the nearest 10: ______
- Estimate 57 − 54 by rounding each number to the nearest 10: ______
- Estimate 67 + 63 by rounding each number to the nearest 10: ______
- Estimate 49 + 82 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 29 − 74 by rounding each number to the nearest 10: ______
- Estimate 81 + 84 by rounding each number to the nearest 10: ______
- Estimate 84 + 51 by rounding each number to the nearest 10: ______
- Estimate 68 − 43 by rounding each number to the nearest 10: ______
- Estimate 24 + 88 by rounding each number to the nearest 10: ______
- Estimate 32 − 32 by rounding each number to the nearest 10: ______
- Estimate 28 + 80 by rounding each number to the nearest 10: ______
- Estimate 44 − 41 by rounding each number to the nearest 10: ______