Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 71 by rounding each number to the nearest 10: ______
- Estimate 74 − 44 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 59 − 49 by rounding each number to the nearest 10: ______
- Estimate 41 + 63 by rounding each number to the nearest 10: ______
- Estimate 29 − 89 by rounding each number to the nearest 10: ______
- Estimate 40 − 84 by rounding each number to the nearest 10: ______
- Estimate 49 + 41 by rounding each number to the nearest 10: ______
- Estimate 74 + 43 by rounding each number to the nearest 10: ______
- Estimate 57 − 28 by rounding each number to the nearest 10: ______
- Estimate 52 − 65 by rounding each number to the nearest 10: ______
- Estimate 26 − 46 by rounding each number to the nearest 10: ______
- Estimate 80 + 62 by rounding each number to the nearest 10: ______
- Estimate 37 + 47 by rounding each number to the nearest 10: ______
- Estimate 21 + 43 by rounding each number to the nearest 10: ______
- Estimate 26 − 73 by rounding each number to the nearest 10: ______
- Estimate 61 − 54 by rounding each number to the nearest 10: ______
- Estimate 53 + 78 by rounding each number to the nearest 10: ______
- Estimate 32 + 29 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______