Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 85 − 77 by rounding each number to the nearest 10: ______
- Estimate 41 + 25 by rounding each number to the nearest 10: ______
- Estimate 60 + 38 by rounding each number to the nearest 10: ______
- Estimate 31 + 78 by rounding each number to the nearest 10: ______
- Estimate 88 + 75 by rounding each number to the nearest 10: ______
- Estimate 78 − 53 by rounding each number to the nearest 10: ______
- Estimate 58 + 49 by rounding each number to the nearest 10: ______
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 35 − 36 by rounding each number to the nearest 10: ______
- Estimate 26 + 37 by rounding each number to the nearest 10: ______
- Estimate 59 + 80 by rounding each number to the nearest 10: ______
- Estimate 69 − 66 by rounding each number to the nearest 10: ______
- Estimate 33 + 42 by rounding each number to the nearest 10: ______
- Estimate 62 + 62 by rounding each number to the nearest 10: ______
- Estimate 23 + 49 by rounding each number to the nearest 10: ______
- Estimate 31 + 72 by rounding each number to the nearest 10: ______
- Estimate 43 − 72 by rounding each number to the nearest 10: ______
- Estimate 61 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 77 by rounding each number to the nearest 10: ______