Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 58 by rounding each number to the nearest 10: ______
- Estimate 59 + 42 by rounding each number to the nearest 10: ______
- Estimate 53 + 36 by rounding each number to the nearest 10: ______
- Estimate 31 − 32 by rounding each number to the nearest 10: ______
- Estimate 47 + 47 by rounding each number to the nearest 10: ______
- Estimate 31 − 26 by rounding each number to the nearest 10: ______
- Estimate 80 − 70 by rounding each number to the nearest 10: ______
- Estimate 28 + 32 by rounding each number to the nearest 10: ______
- Estimate 50 − 88 by rounding each number to the nearest 10: ______
- Estimate 77 − 67 by rounding each number to the nearest 10: ______
- Estimate 73 − 57 by rounding each number to the nearest 10: ______
- Estimate 84 + 55 by rounding each number to the nearest 10: ______
- Estimate 58 − 87 by rounding each number to the nearest 10: ______
- Estimate 23 + 87 by rounding each number to the nearest 10: ______
- Estimate 77 + 81 by rounding each number to the nearest 10: ______
- Estimate 49 + 34 by rounding each number to the nearest 10: ______
- Estimate 82 + 28 by rounding each number to the nearest 10: ______
- Estimate 48 + 71 by rounding each number to the nearest 10: ______
- Estimate 25 + 48 by rounding each number to the nearest 10: ______
- Estimate 82 − 41 by rounding each number to the nearest 10: ______