Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 45 by rounding each number to the nearest 10: ______
- Estimate 83 + 26 by rounding each number to the nearest 10: ______
- Estimate 69 − 47 by rounding each number to the nearest 10: ______
- Estimate 38 − 32 by rounding each number to the nearest 10: ______
- Estimate 82 − 77 by rounding each number to the nearest 10: ______
- Estimate 37 + 67 by rounding each number to the nearest 10: ______
- Estimate 29 − 50 by rounding each number to the nearest 10: ______
- Estimate 88 + 68 by rounding each number to the nearest 10: ______
- Estimate 43 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 + 36 by rounding each number to the nearest 10: ______
- Estimate 49 + 33 by rounding each number to the nearest 10: ______
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 22 + 58 by rounding each number to the nearest 10: ______
- Estimate 32 − 49 by rounding each number to the nearest 10: ______
- Estimate 88 − 41 by rounding each number to the nearest 10: ______
- Estimate 75 − 36 by rounding each number to the nearest 10: ______
- Estimate 38 − 55 by rounding each number to the nearest 10: ______
- Estimate 51 − 32 by rounding each number to the nearest 10: ______
- Estimate 38 − 32 by rounding each number to the nearest 10: ______
- Estimate 58 − 55 by rounding each number to the nearest 10: ______