Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 38 by rounding each number to the nearest 10: ______
- Estimate 89 − 41 by rounding each number to the nearest 10: ______
- Estimate 76 + 40 by rounding each number to the nearest 10: ______
- Estimate 37 − 65 by rounding each number to the nearest 10: ______
- Estimate 82 + 75 by rounding each number to the nearest 10: ______
- Estimate 28 + 64 by rounding each number to the nearest 10: ______
- Estimate 55 − 28 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 59 + 27 by rounding each number to the nearest 10: ______
- Estimate 25 − 50 by rounding each number to the nearest 10: ______
- Estimate 61 + 23 by rounding each number to the nearest 10: ______
- Estimate 67 + 34 by rounding each number to the nearest 10: ______
- Estimate 56 + 25 by rounding each number to the nearest 10: ______
- Estimate 84 + 38 by rounding each number to the nearest 10: ______
- Estimate 24 − 47 by rounding each number to the nearest 10: ______
- Estimate 68 + 31 by rounding each number to the nearest 10: ______
- Estimate 87 + 61 by rounding each number to the nearest 10: ______
- Estimate 77 + 64 by rounding each number to the nearest 10: ______
- Estimate 44 − 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 69 by rounding each number to the nearest 10: ______