Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 51 by rounding each number to the nearest 10: ______
- Estimate 54 − 67 by rounding each number to the nearest 10: ______
- Estimate 61 − 77 by rounding each number to the nearest 10: ______
- Estimate 74 + 70 by rounding each number to the nearest 10: ______
- Estimate 89 + 88 by rounding each number to the nearest 10: ______
- Estimate 40 − 24 by rounding each number to the nearest 10: ______
- Estimate 23 + 73 by rounding each number to the nearest 10: ______
- Estimate 41 + 74 by rounding each number to the nearest 10: ______
- Estimate 26 − 39 by rounding each number to the nearest 10: ______
- Estimate 70 + 66 by rounding each number to the nearest 10: ______
- Estimate 33 − 67 by rounding each number to the nearest 10: ______
- Estimate 72 + 23 by rounding each number to the nearest 10: ______
- Estimate 36 + 49 by rounding each number to the nearest 10: ______
- Estimate 33 + 75 by rounding each number to the nearest 10: ______
- Estimate 54 − 24 by rounding each number to the nearest 10: ______
- Estimate 44 − 73 by rounding each number to the nearest 10: ______
- Estimate 72 + 49 by rounding each number to the nearest 10: ______
- Estimate 42 + 76 by rounding each number to the nearest 10: ______
- Estimate 85 + 59 by rounding each number to the nearest 10: ______
- Estimate 55 + 69 by rounding each number to the nearest 10: ______