Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 46 + 41 by rounding each number to the nearest 10: ______
- Estimate 21 + 30 by rounding each number to the nearest 10: ______
- Estimate 78 + 53 by rounding each number to the nearest 10: ______
- Estimate 85 − 32 by rounding each number to the nearest 10: ______
- Estimate 51 + 82 by rounding each number to the nearest 10: ______
- Estimate 53 + 85 by rounding each number to the nearest 10: ______
- Estimate 42 − 37 by rounding each number to the nearest 10: ______
- Estimate 24 − 54 by rounding each number to the nearest 10: ______
- Estimate 71 + 81 by rounding each number to the nearest 10: ______
- Estimate 84 + 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 39 by rounding each number to the nearest 10: ______
- Estimate 34 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 − 34 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 88 + 74 by rounding each number to the nearest 10: ______
- Estimate 47 − 37 by rounding each number to the nearest 10: ______
- Estimate 30 + 58 by rounding each number to the nearest 10: ______
- Estimate 76 − 69 by rounding each number to the nearest 10: ______
- Estimate 86 − 62 by rounding each number to the nearest 10: ______