Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 − 83 by rounding each number to the nearest 10: ______
- Estimate 36 + 69 by rounding each number to the nearest 10: ______
- Estimate 87 − 50 by rounding each number to the nearest 10: ______
- Estimate 40 − 66 by rounding each number to the nearest 10: ______
- Estimate 29 − 85 by rounding each number to the nearest 10: ______
- Estimate 22 − 59 by rounding each number to the nearest 10: ______
- Estimate 32 − 80 by rounding each number to the nearest 10: ______
- Estimate 77 + 37 by rounding each number to the nearest 10: ______
- Estimate 30 + 83 by rounding each number to the nearest 10: ______
- Estimate 68 + 60 by rounding each number to the nearest 10: ______
- Estimate 42 − 85 by rounding each number to the nearest 10: ______
- Estimate 68 + 31 by rounding each number to the nearest 10: ______
- Estimate 60 + 78 by rounding each number to the nearest 10: ______
- Estimate 84 − 49 by rounding each number to the nearest 10: ______
- Estimate 62 − 37 by rounding each number to the nearest 10: ______
- Estimate 67 + 57 by rounding each number to the nearest 10: ______
- Estimate 88 − 34 by rounding each number to the nearest 10: ______
- Estimate 85 + 59 by rounding each number to the nearest 10: ______
- Estimate 87 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 − 72 by rounding each number to the nearest 10: ______