Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 46 by rounding each number to the nearest 10: ______
- Estimate 89 + 54 by rounding each number to the nearest 10: ______
- Estimate 88 + 44 by rounding each number to the nearest 10: ______
- Estimate 43 + 80 by rounding each number to the nearest 10: ______
- Estimate 44 + 34 by rounding each number to the nearest 10: ______
- Estimate 82 − 51 by rounding each number to the nearest 10: ______
- Estimate 68 − 37 by rounding each number to the nearest 10: ______
- Estimate 38 − 76 by rounding each number to the nearest 10: ______
- Estimate 70 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 − 22 by rounding each number to the nearest 10: ______
- Estimate 50 + 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 52 by rounding each number to the nearest 10: ______
- Estimate 88 + 52 by rounding each number to the nearest 10: ______
- Estimate 47 + 81 by rounding each number to the nearest 10: ______
- Estimate 79 − 42 by rounding each number to the nearest 10: ______
- Estimate 81 + 49 by rounding each number to the nearest 10: ______
- Estimate 75 − 49 by rounding each number to the nearest 10: ______
- Estimate 75 + 79 by rounding each number to the nearest 10: ______
- Estimate 52 + 55 by rounding each number to the nearest 10: ______