Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 72 by rounding each number to the nearest 10: ______
- Estimate 36 − 68 by rounding each number to the nearest 10: ______
- Estimate 80 + 54 by rounding each number to the nearest 10: ______
- Estimate 54 + 81 by rounding each number to the nearest 10: ______
- Estimate 69 − 83 by rounding each number to the nearest 10: ______
- Estimate 28 + 51 by rounding each number to the nearest 10: ______
- Estimate 64 − 57 by rounding each number to the nearest 10: ______
- Estimate 23 + 22 by rounding each number to the nearest 10: ______
- Estimate 26 − 44 by rounding each number to the nearest 10: ______
- Estimate 57 − 84 by rounding each number to the nearest 10: ______
- Estimate 80 − 69 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 79 − 89 by rounding each number to the nearest 10: ______
- Estimate 70 + 60 by rounding each number to the nearest 10: ______
- Estimate 30 + 23 by rounding each number to the nearest 10: ______
- Estimate 43 + 87 by rounding each number to the nearest 10: ______
- Estimate 30 + 32 by rounding each number to the nearest 10: ______
- Estimate 62 − 73 by rounding each number to the nearest 10: ______
- Estimate 62 + 33 by rounding each number to the nearest 10: ______
- Estimate 82 − 32 by rounding each number to the nearest 10: ______