Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 + 38 by rounding each number to the nearest 10: ______
- Estimate 64 − 89 by rounding each number to the nearest 10: ______
- Estimate 33 − 55 by rounding each number to the nearest 10: ______
- Estimate 71 + 38 by rounding each number to the nearest 10: ______
- Estimate 34 + 70 by rounding each number to the nearest 10: ______
- Estimate 25 + 78 by rounding each number to the nearest 10: ______
- Estimate 41 − 22 by rounding each number to the nearest 10: ______
- Estimate 83 − 56 by rounding each number to the nearest 10: ______
- Estimate 23 + 34 by rounding each number to the nearest 10: ______
- Estimate 69 + 39 by rounding each number to the nearest 10: ______
- Estimate 43 + 55 by rounding each number to the nearest 10: ______
- Estimate 84 − 68 by rounding each number to the nearest 10: ______
- Estimate 57 − 83 by rounding each number to the nearest 10: ______
- Estimate 63 − 43 by rounding each number to the nearest 10: ______
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 47 − 43 by rounding each number to the nearest 10: ______
- Estimate 27 + 74 by rounding each number to the nearest 10: ______
- Estimate 65 − 51 by rounding each number to the nearest 10: ______
- Estimate 66 − 58 by rounding each number to the nearest 10: ______