Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 89 by rounding each number to the nearest 10: ______
- Estimate 87 − 48 by rounding each number to the nearest 10: ______
- Estimate 43 − 51 by rounding each number to the nearest 10: ______
- Estimate 81 + 57 by rounding each number to the nearest 10: ______
- Estimate 24 − 52 by rounding each number to the nearest 10: ______
- Estimate 38 + 28 by rounding each number to the nearest 10: ______
- Estimate 46 + 32 by rounding each number to the nearest 10: ______
- Estimate 55 − 21 by rounding each number to the nearest 10: ______
- Estimate 77 − 68 by rounding each number to the nearest 10: ______
- Estimate 23 − 82 by rounding each number to the nearest 10: ______
- Estimate 44 − 24 by rounding each number to the nearest 10: ______
- Estimate 23 − 51 by rounding each number to the nearest 10: ______
- Estimate 34 − 36 by rounding each number to the nearest 10: ______
- Estimate 75 − 72 by rounding each number to the nearest 10: ______
- Estimate 38 + 80 by rounding each number to the nearest 10: ______
- Estimate 55 + 49 by rounding each number to the nearest 10: ______
- Estimate 25 − 84 by rounding each number to the nearest 10: ______
- Estimate 47 + 50 by rounding each number to the nearest 10: ______
- Estimate 71 − 73 by rounding each number to the nearest 10: ______
- Estimate 57 − 80 by rounding each number to the nearest 10: ______