Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 62 − 67 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 79 − 51 by rounding each number to the nearest 10: ______
- Estimate 46 + 43 by rounding each number to the nearest 10: ______
- Estimate 56 + 79 by rounding each number to the nearest 10: ______
- Estimate 39 + 56 by rounding each number to the nearest 10: ______
- Estimate 61 + 25 by rounding each number to the nearest 10: ______
- Estimate 72 − 52 by rounding each number to the nearest 10: ______
- Estimate 21 + 71 by rounding each number to the nearest 10: ______
- Estimate 52 + 61 by rounding each number to the nearest 10: ______
- Estimate 83 + 80 by rounding each number to the nearest 10: ______
- Estimate 84 − 65 by rounding each number to the nearest 10: ______
- Estimate 89 + 76 by rounding each number to the nearest 10: ______
- Estimate 81 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 + 74 by rounding each number to the nearest 10: ______
- Estimate 25 − 59 by rounding each number to the nearest 10: ______
- Estimate 74 − 42 by rounding each number to the nearest 10: ______
- Estimate 47 − 45 by rounding each number to the nearest 10: ______
- Estimate 82 + 77 by rounding each number to the nearest 10: ______
- Estimate 66 + 35 by rounding each number to the nearest 10: ______