Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 + 46 by rounding each number to the nearest 10: ______
- Estimate 45 + 33 by rounding each number to the nearest 10: ______
- Estimate 88 − 50 by rounding each number to the nearest 10: ______
- Estimate 58 − 23 by rounding each number to the nearest 10: ______
- Estimate 35 − 79 by rounding each number to the nearest 10: ______
- Estimate 67 + 32 by rounding each number to the nearest 10: ______
- Estimate 82 − 68 by rounding each number to the nearest 10: ______
- Estimate 43 + 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 89 by rounding each number to the nearest 10: ______
- Estimate 74 − 21 by rounding each number to the nearest 10: ______
- Estimate 75 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 + 79 by rounding each number to the nearest 10: ______
- Estimate 64 + 74 by rounding each number to the nearest 10: ______
- Estimate 35 + 86 by rounding each number to the nearest 10: ______
- Estimate 80 + 40 by rounding each number to the nearest 10: ______
- Estimate 42 − 65 by rounding each number to the nearest 10: ______
- Estimate 56 + 46 by rounding each number to the nearest 10: ______
- Estimate 22 + 23 by rounding each number to the nearest 10: ______
- Estimate 87 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 + 41 by rounding each number to the nearest 10: ______