Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 + 89 by rounding each number to the nearest 10: ______
- Estimate 70 + 70 by rounding each number to the nearest 10: ______
- Estimate 57 − 31 by rounding each number to the nearest 10: ______
- Estimate 68 + 68 by rounding each number to the nearest 10: ______
- Estimate 29 − 70 by rounding each number to the nearest 10: ______
- Estimate 72 − 54 by rounding each number to the nearest 10: ______
- Estimate 29 + 64 by rounding each number to the nearest 10: ______
- Estimate 84 − 75 by rounding each number to the nearest 10: ______
- Estimate 34 + 25 by rounding each number to the nearest 10: ______
- Estimate 75 + 75 by rounding each number to the nearest 10: ______
- Estimate 25 − 75 by rounding each number to the nearest 10: ______
- Estimate 69 − 43 by rounding each number to the nearest 10: ______
- Estimate 40 + 67 by rounding each number to the nearest 10: ______
- Estimate 68 − 69 by rounding each number to the nearest 10: ______
- Estimate 31 − 49 by rounding each number to the nearest 10: ______
- Estimate 61 − 37 by rounding each number to the nearest 10: ______
- Estimate 73 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 24 by rounding each number to the nearest 10: ______
- Estimate 25 − 77 by rounding each number to the nearest 10: ______
- Estimate 24 + 39 by rounding each number to the nearest 10: ______