Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 − 55 by rounding each number to the nearest 10: ______
- Estimate 30 + 70 by rounding each number to the nearest 10: ______
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 51 − 44 by rounding each number to the nearest 10: ______
- Estimate 55 − 39 by rounding each number to the nearest 10: ______
- Estimate 82 + 65 by rounding each number to the nearest 10: ______
- Estimate 74 + 69 by rounding each number to the nearest 10: ______
- Estimate 61 + 55 by rounding each number to the nearest 10: ______
- Estimate 71 + 67 by rounding each number to the nearest 10: ______
- Estimate 51 − 61 by rounding each number to the nearest 10: ______
- Estimate 23 + 23 by rounding each number to the nearest 10: ______
- Estimate 54 + 71 by rounding each number to the nearest 10: ______
- Estimate 77 − 37 by rounding each number to the nearest 10: ______
- Estimate 79 + 40 by rounding each number to the nearest 10: ______
- Estimate 39 + 62 by rounding each number to the nearest 10: ______
- Estimate 64 + 31 by rounding each number to the nearest 10: ______
- Estimate 37 + 63 by rounding each number to the nearest 10: ______
- Estimate 39 − 68 by rounding each number to the nearest 10: ______
- Estimate 66 + 84 by rounding each number to the nearest 10: ______
- Estimate 27 + 64 by rounding each number to the nearest 10: ______