Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 47 by rounding each number to the nearest 10: ______
- Estimate 61 + 40 by rounding each number to the nearest 10: ______
- Estimate 72 − 72 by rounding each number to the nearest 10: ______
- Estimate 54 + 89 by rounding each number to the nearest 10: ______
- Estimate 61 − 25 by rounding each number to the nearest 10: ______
- Estimate 78 − 27 by rounding each number to the nearest 10: ______
- Estimate 47 + 50 by rounding each number to the nearest 10: ______
- Estimate 31 − 27 by rounding each number to the nearest 10: ______
- Estimate 43 − 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 41 by rounding each number to the nearest 10: ______
- Estimate 75 + 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 42 by rounding each number to the nearest 10: ______
- Estimate 46 − 53 by rounding each number to the nearest 10: ______
- Estimate 73 + 34 by rounding each number to the nearest 10: ______
- Estimate 58 + 32 by rounding each number to the nearest 10: ______
- Estimate 82 + 68 by rounding each number to the nearest 10: ______
- Estimate 42 + 38 by rounding each number to the nearest 10: ______
- Estimate 21 + 81 by rounding each number to the nearest 10: ______
- Estimate 79 − 89 by rounding each number to the nearest 10: ______
- Estimate 45 + 32 by rounding each number to the nearest 10: ______