Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 88 by rounding each number to the nearest 10: ______
- Estimate 59 − 39 by rounding each number to the nearest 10: ______
- Estimate 71 + 38 by rounding each number to the nearest 10: ______
- Estimate 42 − 52 by rounding each number to the nearest 10: ______
- Estimate 39 + 24 by rounding each number to the nearest 10: ______
- Estimate 49 + 84 by rounding each number to the nearest 10: ______
- Estimate 66 + 27 by rounding each number to the nearest 10: ______
- Estimate 82 + 58 by rounding each number to the nearest 10: ______
- Estimate 79 + 21 by rounding each number to the nearest 10: ______
- Estimate 27 − 40 by rounding each number to the nearest 10: ______
- Estimate 25 + 69 by rounding each number to the nearest 10: ______
- Estimate 68 − 49 by rounding each number to the nearest 10: ______
- Estimate 70 + 44 by rounding each number to the nearest 10: ______
- Estimate 52 + 35 by rounding each number to the nearest 10: ______
- Estimate 42 + 67 by rounding each number to the nearest 10: ______
- Estimate 85 − 46 by rounding each number to the nearest 10: ______
- Estimate 78 + 32 by rounding each number to the nearest 10: ______
- Estimate 53 − 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 24 by rounding each number to the nearest 10: ______
- Estimate 38 + 89 by rounding each number to the nearest 10: ______