Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 31 by rounding each number to the nearest 10: ______
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 26 − 24 by rounding each number to the nearest 10: ______
- Estimate 34 − 27 by rounding each number to the nearest 10: ______
- Estimate 61 + 45 by rounding each number to the nearest 10: ______
- Estimate 69 + 41 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 30 − 81 by rounding each number to the nearest 10: ______
- Estimate 66 + 23 by rounding each number to the nearest 10: ______
- Estimate 30 − 67 by rounding each number to the nearest 10: ______
- Estimate 21 − 61 by rounding each number to the nearest 10: ______
- Estimate 38 − 54 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 69 + 69 by rounding each number to the nearest 10: ______
- Estimate 55 − 53 by rounding each number to the nearest 10: ______
- Estimate 68 + 76 by rounding each number to the nearest 10: ______
- Estimate 26 + 55 by rounding each number to the nearest 10: ______
- Estimate 75 − 33 by rounding each number to the nearest 10: ______
- Estimate 75 − 51 by rounding each number to the nearest 10: ______
- Estimate 63 + 84 by rounding each number to the nearest 10: ______