Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 68 by rounding each number to the nearest 10: ______
- Estimate 80 + 52 by rounding each number to the nearest 10: ______
- Estimate 48 + 42 by rounding each number to the nearest 10: ______
- Estimate 51 + 30 by rounding each number to the nearest 10: ______
- Estimate 36 + 77 by rounding each number to the nearest 10: ______
- Estimate 40 + 54 by rounding each number to the nearest 10: ______
- Estimate 77 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 − 82 by rounding each number to the nearest 10: ______
- Estimate 56 − 33 by rounding each number to the nearest 10: ______
- Estimate 21 − 31 by rounding each number to the nearest 10: ______
- Estimate 61 + 72 by rounding each number to the nearest 10: ______
- Estimate 67 − 77 by rounding each number to the nearest 10: ______
- Estimate 73 − 85 by rounding each number to the nearest 10: ______
- Estimate 22 + 84 by rounding each number to the nearest 10: ______
- Estimate 22 − 41 by rounding each number to the nearest 10: ______
- Estimate 25 + 51 by rounding each number to the nearest 10: ______
- Estimate 40 + 89 by rounding each number to the nearest 10: ______
- Estimate 35 + 66 by rounding each number to the nearest 10: ______
- Estimate 41 + 51 by rounding each number to the nearest 10: ______
- Estimate 56 + 42 by rounding each number to the nearest 10: ______