Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 30 by rounding each number to the nearest 10: ______
- Estimate 25 − 22 by rounding each number to the nearest 10: ______
- Estimate 52 − 83 by rounding each number to the nearest 10: ______
- Estimate 33 − 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 71 − 66 by rounding each number to the nearest 10: ______
- Estimate 46 + 80 by rounding each number to the nearest 10: ______
- Estimate 78 − 63 by rounding each number to the nearest 10: ______
- Estimate 47 − 86 by rounding each number to the nearest 10: ______
- Estimate 47 + 58 by rounding each number to the nearest 10: ______
- Estimate 26 − 34 by rounding each number to the nearest 10: ______
- Estimate 21 + 65 by rounding each number to the nearest 10: ______
- Estimate 26 − 49 by rounding each number to the nearest 10: ______
- Estimate 24 + 73 by rounding each number to the nearest 10: ______
- Estimate 34 + 89 by rounding each number to the nearest 10: ______
- Estimate 42 − 46 by rounding each number to the nearest 10: ______
- Estimate 52 + 57 by rounding each number to the nearest 10: ______
- Estimate 34 + 21 by rounding each number to the nearest 10: ______
- Estimate 77 + 68 by rounding each number to the nearest 10: ______
- Estimate 50 − 72 by rounding each number to the nearest 10: ______