Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 61 by rounding each number to the nearest 10: ______
- Estimate 66 + 73 by rounding each number to the nearest 10: ______
- Estimate 39 + 67 by rounding each number to the nearest 10: ______
- Estimate 80 − 45 by rounding each number to the nearest 10: ______
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 83 by rounding each number to the nearest 10: ______
- Estimate 28 − 52 by rounding each number to the nearest 10: ______
- Estimate 72 − 23 by rounding each number to the nearest 10: ______
- Estimate 89 + 62 by rounding each number to the nearest 10: ______
- Estimate 73 + 75 by rounding each number to the nearest 10: ______
- Estimate 38 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 + 69 by rounding each number to the nearest 10: ______
- Estimate 41 − 41 by rounding each number to the nearest 10: ______
- Estimate 25 + 68 by rounding each number to the nearest 10: ______
- Estimate 74 − 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 57 by rounding each number to the nearest 10: ______
- Estimate 81 + 85 by rounding each number to the nearest 10: ______
- Estimate 52 + 69 by rounding each number to the nearest 10: ______
- Estimate 23 − 52 by rounding each number to the nearest 10: ______
- Estimate 48 − 61 by rounding each number to the nearest 10: ______