Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 − 23 by rounding each number to the nearest 10: ______
- Estimate 86 − 72 by rounding each number to the nearest 10: ______
- Estimate 72 − 43 by rounding each number to the nearest 10: ______
- Estimate 81 − 24 by rounding each number to the nearest 10: ______
- Estimate 82 + 29 by rounding each number to the nearest 10: ______
- Estimate 21 − 73 by rounding each number to the nearest 10: ______
- Estimate 83 − 72 by rounding each number to the nearest 10: ______
- Estimate 23 + 31 by rounding each number to the nearest 10: ______
- Estimate 55 − 34 by rounding each number to the nearest 10: ______
- Estimate 78 − 70 by rounding each number to the nearest 10: ______
- Estimate 40 + 62 by rounding each number to the nearest 10: ______
- Estimate 45 + 32 by rounding each number to the nearest 10: ______
- Estimate 69 + 29 by rounding each number to the nearest 10: ______
- Estimate 60 + 78 by rounding each number to the nearest 10: ______
- Estimate 51 − 32 by rounding each number to the nearest 10: ______
- Estimate 38 + 50 by rounding each number to the nearest 10: ______
- Estimate 60 + 68 by rounding each number to the nearest 10: ______
- Estimate 47 − 53 by rounding each number to the nearest 10: ______
- Estimate 55 − 83 by rounding each number to the nearest 10: ______
- Estimate 59 + 79 by rounding each number to the nearest 10: ______