Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 + 44 by rounding each number to the nearest 10: ______
- Estimate 40 − 22 by rounding each number to the nearest 10: ______
- Estimate 43 + 83 by rounding each number to the nearest 10: ______
- Estimate 50 − 74 by rounding each number to the nearest 10: ______
- Estimate 89 − 65 by rounding each number to the nearest 10: ______
- Estimate 42 + 53 by rounding each number to the nearest 10: ______
- Estimate 60 + 89 by rounding each number to the nearest 10: ______
- Estimate 87 + 32 by rounding each number to the nearest 10: ______
- Estimate 35 + 73 by rounding each number to the nearest 10: ______
- Estimate 89 − 87 by rounding each number to the nearest 10: ______
- Estimate 68 + 68 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 49 + 63 by rounding each number to the nearest 10: ______
- Estimate 40 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 76 by rounding each number to the nearest 10: ______
- Estimate 58 − 89 by rounding each number to the nearest 10: ______
- Estimate 87 + 40 by rounding each number to the nearest 10: ______
- Estimate 59 + 77 by rounding each number to the nearest 10: ______
- Estimate 84 − 35 by rounding each number to the nearest 10: ______