Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 84 + 52 by rounding each number to the nearest 10: ______
- Estimate 74 + 37 by rounding each number to the nearest 10: ______
- Estimate 59 − 79 by rounding each number to the nearest 10: ______
- Estimate 54 + 80 by rounding each number to the nearest 10: ______
- Estimate 69 − 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 45 by rounding each number to the nearest 10: ______
- Estimate 51 + 85 by rounding each number to the nearest 10: ______
- Estimate 26 + 54 by rounding each number to the nearest 10: ______
- Estimate 74 − 59 by rounding each number to the nearest 10: ______
- Estimate 47 + 58 by rounding each number to the nearest 10: ______
- Estimate 34 − 70 by rounding each number to the nearest 10: ______
- Estimate 60 + 54 by rounding each number to the nearest 10: ______
- Estimate 82 − 47 by rounding each number to the nearest 10: ______
- Estimate 57 − 45 by rounding each number to the nearest 10: ______
- Estimate 38 − 71 by rounding each number to the nearest 10: ______
- Estimate 84 + 43 by rounding each number to the nearest 10: ______
- Estimate 51 − 81 by rounding each number to the nearest 10: ______
- Estimate 40 + 42 by rounding each number to the nearest 10: ______