Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 + 82 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______
- Estimate 40 + 28 by rounding each number to the nearest 10: ______
- Estimate 29 − 31 by rounding each number to the nearest 10: ______
- Estimate 88 − 48 by rounding each number to the nearest 10: ______
- Estimate 82 − 62 by rounding each number to the nearest 10: ______
- Estimate 26 + 80 by rounding each number to the nearest 10: ______
- Estimate 73 + 53 by rounding each number to the nearest 10: ______
- Estimate 28 + 36 by rounding each number to the nearest 10: ______
- Estimate 37 + 67 by rounding each number to the nearest 10: ______
- Estimate 25 + 47 by rounding each number to the nearest 10: ______
- Estimate 31 + 23 by rounding each number to the nearest 10: ______
- Estimate 37 − 55 by rounding each number to the nearest 10: ______
- Estimate 35 + 56 by rounding each number to the nearest 10: ______
- Estimate 54 + 49 by rounding each number to the nearest 10: ______
- Estimate 52 − 56 by rounding each number to the nearest 10: ______
- Estimate 22 + 31 by rounding each number to the nearest 10: ______
- Estimate 42 + 36 by rounding each number to the nearest 10: ______
- Estimate 80 − 39 by rounding each number to the nearest 10: ______
- Estimate 70 − 43 by rounding each number to the nearest 10: ______