Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 26 by rounding each number to the nearest 10: ______
- Estimate 77 + 55 by rounding each number to the nearest 10: ______
- Estimate 22 + 41 by rounding each number to the nearest 10: ______
- Estimate 45 + 43 by rounding each number to the nearest 10: ______
- Estimate 63 − 32 by rounding each number to the nearest 10: ______
- Estimate 61 + 21 by rounding each number to the nearest 10: ______
- Estimate 49 + 80 by rounding each number to the nearest 10: ______
- Estimate 23 − 53 by rounding each number to the nearest 10: ______
- Estimate 26 − 75 by rounding each number to the nearest 10: ______
- Estimate 51 − 44 by rounding each number to the nearest 10: ______
- Estimate 25 + 61 by rounding each number to the nearest 10: ______
- Estimate 35 + 72 by rounding each number to the nearest 10: ______
- Estimate 30 − 86 by rounding each number to the nearest 10: ______
- Estimate 83 + 71 by rounding each number to the nearest 10: ______
- Estimate 43 + 36 by rounding each number to the nearest 10: ______
- Estimate 75 − 53 by rounding each number to the nearest 10: ______
- Estimate 66 + 80 by rounding each number to the nearest 10: ______
- Estimate 62 + 43 by rounding each number to the nearest 10: ______
- Estimate 35 − 64 by rounding each number to the nearest 10: ______
- Estimate 74 − 63 by rounding each number to the nearest 10: ______