Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 65 by rounding each number to the nearest 10: ______
- Estimate 84 + 25 by rounding each number to the nearest 10: ______
- Estimate 44 + 39 by rounding each number to the nearest 10: ______
- Estimate 54 − 23 by rounding each number to the nearest 10: ______
- Estimate 89 − 35 by rounding each number to the nearest 10: ______
- Estimate 25 − 75 by rounding each number to the nearest 10: ______
- Estimate 86 − 62 by rounding each number to the nearest 10: ______
- Estimate 30 + 64 by rounding each number to the nearest 10: ______
- Estimate 62 + 68 by rounding each number to the nearest 10: ______
- Estimate 53 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 72 by rounding each number to the nearest 10: ______
- Estimate 23 − 29 by rounding each number to the nearest 10: ______
- Estimate 45 + 40 by rounding each number to the nearest 10: ______
- Estimate 63 + 24 by rounding each number to the nearest 10: ______
- Estimate 21 + 28 by rounding each number to the nearest 10: ______
- Estimate 61 + 25 by rounding each number to the nearest 10: ______
- Estimate 81 + 80 by rounding each number to the nearest 10: ______
- Estimate 31 − 89 by rounding each number to the nearest 10: ______
- Estimate 32 + 25 by rounding each number to the nearest 10: ______
- Estimate 76 − 82 by rounding each number to the nearest 10: ______