Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 33 by rounding each number to the nearest 10: ______
- Estimate 49 − 35 by rounding each number to the nearest 10: ______
- Estimate 42 + 75 by rounding each number to the nearest 10: ______
- Estimate 80 − 50 by rounding each number to the nearest 10: ______
- Estimate 52 − 60 by rounding each number to the nearest 10: ______
- Estimate 81 + 72 by rounding each number to the nearest 10: ______
- Estimate 88 + 71 by rounding each number to the nearest 10: ______
- Estimate 35 − 71 by rounding each number to the nearest 10: ______
- Estimate 43 − 72 by rounding each number to the nearest 10: ______
- Estimate 57 − 85 by rounding each number to the nearest 10: ______
- Estimate 27 + 50 by rounding each number to the nearest 10: ______
- Estimate 80 + 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 43 by rounding each number to the nearest 10: ______
- Estimate 49 + 69 by rounding each number to the nearest 10: ______
- Estimate 23 − 89 by rounding each number to the nearest 10: ______
- Estimate 73 + 49 by rounding each number to the nearest 10: ______
- Estimate 89 − 47 by rounding each number to the nearest 10: ______
- Estimate 67 − 33 by rounding each number to the nearest 10: ______
- Estimate 79 + 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 22 by rounding each number to the nearest 10: ______