Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 45 by rounding each number to the nearest 10: ______
- Estimate 38 + 52 by rounding each number to the nearest 10: ______
- Estimate 63 − 24 by rounding each number to the nearest 10: ______
- Estimate 26 − 38 by rounding each number to the nearest 10: ______
- Estimate 67 + 37 by rounding each number to the nearest 10: ______
- Estimate 68 − 78 by rounding each number to the nearest 10: ______
- Estimate 70 − 68 by rounding each number to the nearest 10: ______
- Estimate 75 + 85 by rounding each number to the nearest 10: ______
- Estimate 59 − 51 by rounding each number to the nearest 10: ______
- Estimate 80 − 41 by rounding each number to the nearest 10: ______
- Estimate 71 − 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 50 by rounding each number to the nearest 10: ______
- Estimate 79 + 57 by rounding each number to the nearest 10: ______
- Estimate 21 − 43 by rounding each number to the nearest 10: ______
- Estimate 41 + 61 by rounding each number to the nearest 10: ______
- Estimate 34 + 43 by rounding each number to the nearest 10: ______
- Estimate 65 + 57 by rounding each number to the nearest 10: ______
- Estimate 36 − 29 by rounding each number to the nearest 10: ______
- Estimate 75 + 82 by rounding each number to the nearest 10: ______
- Estimate 27 − 48 by rounding each number to the nearest 10: ______