Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 81 by rounding each number to the nearest 10: ______
- Estimate 81 + 50 by rounding each number to the nearest 10: ______
- Estimate 68 + 69 by rounding each number to the nearest 10: ______
- Estimate 46 + 45 by rounding each number to the nearest 10: ______
- Estimate 35 + 48 by rounding each number to the nearest 10: ______
- Estimate 56 − 31 by rounding each number to the nearest 10: ______
- Estimate 80 + 44 by rounding each number to the nearest 10: ______
- Estimate 55 − 87 by rounding each number to the nearest 10: ______
- Estimate 69 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 + 48 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______
- Estimate 68 + 73 by rounding each number to the nearest 10: ______
- Estimate 40 + 36 by rounding each number to the nearest 10: ______
- Estimate 31 + 84 by rounding each number to the nearest 10: ______
- Estimate 43 + 75 by rounding each number to the nearest 10: ______
- Estimate 71 + 87 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 80 − 54 by rounding each number to the nearest 10: ______
- Estimate 23 − 28 by rounding each number to the nearest 10: ______
- Estimate 23 − 55 by rounding each number to the nearest 10: ______