Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 + 21 by rounding each number to the nearest 10: ______
- Estimate 76 + 89 by rounding each number to the nearest 10: ______
- Estimate 87 + 74 by rounding each number to the nearest 10: ______
- Estimate 49 + 72 by rounding each number to the nearest 10: ______
- Estimate 60 + 88 by rounding each number to the nearest 10: ______
- Estimate 82 + 89 by rounding each number to the nearest 10: ______
- Estimate 60 − 70 by rounding each number to the nearest 10: ______
- Estimate 75 − 80 by rounding each number to the nearest 10: ______
- Estimate 32 + 85 by rounding each number to the nearest 10: ______
- Estimate 58 − 50 by rounding each number to the nearest 10: ______
- Estimate 79 − 46 by rounding each number to the nearest 10: ______
- Estimate 59 − 72 by rounding each number to the nearest 10: ______
- Estimate 58 + 47 by rounding each number to the nearest 10: ______
- Estimate 40 + 43 by rounding each number to the nearest 10: ______
- Estimate 69 − 69 by rounding each number to the nearest 10: ______
- Estimate 80 − 47 by rounding each number to the nearest 10: ______
- Estimate 84 − 54 by rounding each number to the nearest 10: ______
- Estimate 74 + 36 by rounding each number to the nearest 10: ______
- Estimate 77 + 44 by rounding each number to the nearest 10: ______
- Estimate 51 + 62 by rounding each number to the nearest 10: ______