Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 24 by rounding each number to the nearest 10: ______
- Estimate 22 + 23 by rounding each number to the nearest 10: ______
- Estimate 45 − 38 by rounding each number to the nearest 10: ______
- Estimate 65 + 38 by rounding each number to the nearest 10: ______
- Estimate 42 − 85 by rounding each number to the nearest 10: ______
- Estimate 63 − 84 by rounding each number to the nearest 10: ______
- Estimate 31 − 58 by rounding each number to the nearest 10: ______
- Estimate 24 − 78 by rounding each number to the nearest 10: ______
- Estimate 45 − 68 by rounding each number to the nearest 10: ______
- Estimate 38 − 79 by rounding each number to the nearest 10: ______
- Estimate 74 + 31 by rounding each number to the nearest 10: ______
- Estimate 81 − 64 by rounding each number to the nearest 10: ______
- Estimate 21 + 35 by rounding each number to the nearest 10: ______
- Estimate 70 + 59 by rounding each number to the nearest 10: ______
- Estimate 84 − 65 by rounding each number to the nearest 10: ______
- Estimate 57 − 63 by rounding each number to the nearest 10: ______
- Estimate 68 + 67 by rounding each number to the nearest 10: ______
- Estimate 22 − 44 by rounding each number to the nearest 10: ______
- Estimate 86 − 28 by rounding each number to the nearest 10: ______
- Estimate 83 − 63 by rounding each number to the nearest 10: ______