Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 33 + 55 by rounding each number to the nearest 10: ______
- Estimate 38 − 62 by rounding each number to the nearest 10: ______
- Estimate 78 − 78 by rounding each number to the nearest 10: ______
- Estimate 68 − 45 by rounding each number to the nearest 10: ______
- Estimate 78 + 64 by rounding each number to the nearest 10: ______
- Estimate 54 − 21 by rounding each number to the nearest 10: ______
- Estimate 83 + 23 by rounding each number to the nearest 10: ______
- Estimate 89 + 40 by rounding each number to the nearest 10: ______
- Estimate 69 + 89 by rounding each number to the nearest 10: ______
- Estimate 23 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 − 72 by rounding each number to the nearest 10: ______
- Estimate 34 − 23 by rounding each number to the nearest 10: ______
- Estimate 49 + 82 by rounding each number to the nearest 10: ______
- Estimate 59 + 49 by rounding each number to the nearest 10: ______
- Estimate 21 + 43 by rounding each number to the nearest 10: ______
- Estimate 89 − 58 by rounding each number to the nearest 10: ______
- Estimate 27 + 67 by rounding each number to the nearest 10: ______
- Estimate 78 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 + 57 by rounding each number to the nearest 10: ______
- Estimate 34 − 68 by rounding each number to the nearest 10: ______