Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 + 21 by rounding each number to the nearest 10: ______
- Estimate 57 − 36 by rounding each number to the nearest 10: ______
- Estimate 79 + 64 by rounding each number to the nearest 10: ______
- Estimate 51 + 55 by rounding each number to the nearest 10: ______
- Estimate 60 − 43 by rounding each number to the nearest 10: ______
- Estimate 22 − 72 by rounding each number to the nearest 10: ______
- Estimate 26 + 22 by rounding each number to the nearest 10: ______
- Estimate 49 − 59 by rounding each number to the nearest 10: ______
- Estimate 29 + 56 by rounding each number to the nearest 10: ______
- Estimate 29 + 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 23 by rounding each number to the nearest 10: ______
- Estimate 38 − 45 by rounding each number to the nearest 10: ______
- Estimate 61 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 + 47 by rounding each number to the nearest 10: ______
- Estimate 65 − 73 by rounding each number to the nearest 10: ______
- Estimate 64 − 78 by rounding each number to the nearest 10: ______
- Estimate 67 − 85 by rounding each number to the nearest 10: ______
- Estimate 38 + 30 by rounding each number to the nearest 10: ______
- Estimate 47 + 44 by rounding each number to the nearest 10: ______