Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 74 by rounding each number to the nearest 10: ______
- Estimate 72 − 28 by rounding each number to the nearest 10: ______
- Estimate 74 + 57 by rounding each number to the nearest 10: ______
- Estimate 33 + 73 by rounding each number to the nearest 10: ______
- Estimate 26 + 33 by rounding each number to the nearest 10: ______
- Estimate 53 − 37 by rounding each number to the nearest 10: ______
- Estimate 82 − 59 by rounding each number to the nearest 10: ______
- Estimate 47 + 68 by rounding each number to the nearest 10: ______
- Estimate 65 + 84 by rounding each number to the nearest 10: ______
- Estimate 26 − 67 by rounding each number to the nearest 10: ______
- Estimate 45 − 58 by rounding each number to the nearest 10: ______
- Estimate 89 − 46 by rounding each number to the nearest 10: ______
- Estimate 39 + 22 by rounding each number to the nearest 10: ______
- Estimate 23 − 70 by rounding each number to the nearest 10: ______
- Estimate 26 − 72 by rounding each number to the nearest 10: ______
- Estimate 42 + 40 by rounding each number to the nearest 10: ______
- Estimate 37 − 31 by rounding each number to the nearest 10: ______
- Estimate 30 + 69 by rounding each number to the nearest 10: ______
- Estimate 75 − 65 by rounding each number to the nearest 10: ______
- Estimate 72 + 73 by rounding each number to the nearest 10: ______