Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 − 50 by rounding each number to the nearest 10: ______
- Estimate 45 − 34 by rounding each number to the nearest 10: ______
- Estimate 31 − 89 by rounding each number to the nearest 10: ______
- Estimate 23 + 68 by rounding each number to the nearest 10: ______
- Estimate 55 − 23 by rounding each number to the nearest 10: ______
- Estimate 70 + 80 by rounding each number to the nearest 10: ______
- Estimate 22 + 45 by rounding each number to the nearest 10: ______
- Estimate 44 − 30 by rounding each number to the nearest 10: ______
- Estimate 28 + 56 by rounding each number to the nearest 10: ______
- Estimate 47 − 49 by rounding each number to the nearest 10: ______
- Estimate 75 + 39 by rounding each number to the nearest 10: ______
- Estimate 37 − 74 by rounding each number to the nearest 10: ______
- Estimate 69 + 54 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 71 + 51 by rounding each number to the nearest 10: ______
- Estimate 82 − 65 by rounding each number to the nearest 10: ______
- Estimate 65 + 35 by rounding each number to the nearest 10: ______
- Estimate 73 + 51 by rounding each number to the nearest 10: ______
- Estimate 84 + 53 by rounding each number to the nearest 10: ______
- Estimate 62 − 69 by rounding each number to the nearest 10: ______