Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 − 47 by rounding each number to the nearest 10: ______
- Estimate 45 + 83 by rounding each number to the nearest 10: ______
- Estimate 80 + 52 by rounding each number to the nearest 10: ______
- Estimate 49 + 83 by rounding each number to the nearest 10: ______
- Estimate 53 + 43 by rounding each number to the nearest 10: ______
- Estimate 45 − 25 by rounding each number to the nearest 10: ______
- Estimate 59 − 25 by rounding each number to the nearest 10: ______
- Estimate 59 + 29 by rounding each number to the nearest 10: ______
- Estimate 23 + 26 by rounding each number to the nearest 10: ______
- Estimate 61 − 52 by rounding each number to the nearest 10: ______
- Estimate 26 − 45 by rounding each number to the nearest 10: ______
- Estimate 88 − 88 by rounding each number to the nearest 10: ______
- Estimate 82 − 29 by rounding each number to the nearest 10: ______
- Estimate 43 + 22 by rounding each number to the nearest 10: ______
- Estimate 43 + 23 by rounding each number to the nearest 10: ______
- Estimate 81 + 73 by rounding each number to the nearest 10: ______
- Estimate 35 + 23 by rounding each number to the nearest 10: ______
- Estimate 74 − 48 by rounding each number to the nearest 10: ______
- Estimate 38 + 72 by rounding each number to the nearest 10: ______
- Estimate 27 − 67 by rounding each number to the nearest 10: ______