Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 − 48 by rounding each number to the nearest 10: ______
- Estimate 35 + 74 by rounding each number to the nearest 10: ______
- Estimate 22 − 65 by rounding each number to the nearest 10: ______
- Estimate 24 + 23 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 75 − 62 by rounding each number to the nearest 10: ______
- Estimate 23 − 68 by rounding each number to the nearest 10: ______
- Estimate 55 − 35 by rounding each number to the nearest 10: ______
- Estimate 30 + 73 by rounding each number to the nearest 10: ______
- Estimate 52 − 30 by rounding each number to the nearest 10: ______
- Estimate 50 + 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 89 by rounding each number to the nearest 10: ______
- Estimate 49 − 22 by rounding each number to the nearest 10: ______
- Estimate 54 − 59 by rounding each number to the nearest 10: ______
- Estimate 80 − 49 by rounding each number to the nearest 10: ______
- Estimate 61 − 23 by rounding each number to the nearest 10: ______
- Estimate 80 + 26 by rounding each number to the nearest 10: ______
- Estimate 83 + 29 by rounding each number to the nearest 10: ______
- Estimate 83 + 71 by rounding each number to the nearest 10: ______
- Estimate 21 − 65 by rounding each number to the nearest 10: ______