Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 47 by rounding each number to the nearest 10: ______
- Estimate 66 − 82 by rounding each number to the nearest 10: ______
- Estimate 58 − 48 by rounding each number to the nearest 10: ______
- Estimate 52 + 24 by rounding each number to the nearest 10: ______
- Estimate 28 − 36 by rounding each number to the nearest 10: ______
- Estimate 85 − 66 by rounding each number to the nearest 10: ______
- Estimate 24 + 39 by rounding each number to the nearest 10: ______
- Estimate 22 + 26 by rounding each number to the nearest 10: ______
- Estimate 68 − 35 by rounding each number to the nearest 10: ______
- Estimate 50 − 30 by rounding each number to the nearest 10: ______
- Estimate 24 − 70 by rounding each number to the nearest 10: ______
- Estimate 44 + 70 by rounding each number to the nearest 10: ______
- Estimate 87 + 49 by rounding each number to the nearest 10: ______
- Estimate 69 + 61 by rounding each number to the nearest 10: ______
- Estimate 64 + 48 by rounding each number to the nearest 10: ______
- Estimate 84 + 76 by rounding each number to the nearest 10: ______
- Estimate 22 + 29 by rounding each number to the nearest 10: ______
- Estimate 86 + 57 by rounding each number to the nearest 10: ______
- Estimate 48 − 30 by rounding each number to the nearest 10: ______
- Estimate 33 + 71 by rounding each number to the nearest 10: ______