Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 62 by rounding each number to the nearest 10: ______
- Estimate 42 + 66 by rounding each number to the nearest 10: ______
- Estimate 37 − 21 by rounding each number to the nearest 10: ______
- Estimate 69 − 32 by rounding each number to the nearest 10: ______
- Estimate 42 − 65 by rounding each number to the nearest 10: ______
- Estimate 26 − 78 by rounding each number to the nearest 10: ______
- Estimate 31 + 75 by rounding each number to the nearest 10: ______
- Estimate 57 + 79 by rounding each number to the nearest 10: ______
- Estimate 50 − 59 by rounding each number to the nearest 10: ______
- Estimate 75 − 70 by rounding each number to the nearest 10: ______
- Estimate 44 − 31 by rounding each number to the nearest 10: ______
- Estimate 38 + 57 by rounding each number to the nearest 10: ______
- Estimate 28 − 40 by rounding each number to the nearest 10: ______
- Estimate 42 − 85 by rounding each number to the nearest 10: ______
- Estimate 43 − 80 by rounding each number to the nearest 10: ______
- Estimate 72 − 89 by rounding each number to the nearest 10: ______
- Estimate 27 − 80 by rounding each number to the nearest 10: ______
- Estimate 89 − 89 by rounding each number to the nearest 10: ______
- Estimate 73 − 76 by rounding each number to the nearest 10: ______
- Estimate 66 + 55 by rounding each number to the nearest 10: ______