Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 28 by rounding each number to the nearest 10: ______
- Estimate 47 + 80 by rounding each number to the nearest 10: ______
- Estimate 71 + 23 by rounding each number to the nearest 10: ______
- Estimate 50 − 45 by rounding each number to the nearest 10: ______
- Estimate 69 − 41 by rounding each number to the nearest 10: ______
- Estimate 22 − 82 by rounding each number to the nearest 10: ______
- Estimate 75 − 57 by rounding each number to the nearest 10: ______
- Estimate 75 − 43 by rounding each number to the nearest 10: ______
- Estimate 50 − 39 by rounding each number to the nearest 10: ______
- Estimate 38 − 30 by rounding each number to the nearest 10: ______
- Estimate 77 + 61 by rounding each number to the nearest 10: ______
- Estimate 52 − 35 by rounding each number to the nearest 10: ______
- Estimate 51 + 34 by rounding each number to the nearest 10: ______
- Estimate 68 + 32 by rounding each number to the nearest 10: ______
- Estimate 30 + 70 by rounding each number to the nearest 10: ______
- Estimate 74 + 21 by rounding each number to the nearest 10: ______
- Estimate 32 − 35 by rounding each number to the nearest 10: ______
- Estimate 77 + 40 by rounding each number to the nearest 10: ______
- Estimate 26 + 65 by rounding each number to the nearest 10: ______
- Estimate 60 − 28 by rounding each number to the nearest 10: ______