Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 48 by rounding each number to the nearest 10: ______
- Estimate 64 + 39 by rounding each number to the nearest 10: ______
- Estimate 72 − 78 by rounding each number to the nearest 10: ______
- Estimate 87 − 69 by rounding each number to the nearest 10: ______
- Estimate 82 − 70 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 71 + 50 by rounding each number to the nearest 10: ______
- Estimate 23 + 64 by rounding each number to the nearest 10: ______
- Estimate 42 + 83 by rounding each number to the nearest 10: ______
- Estimate 42 − 49 by rounding each number to the nearest 10: ______
- Estimate 59 + 54 by rounding each number to the nearest 10: ______
- Estimate 33 − 48 by rounding each number to the nearest 10: ______
- Estimate 40 + 86 by rounding each number to the nearest 10: ______
- Estimate 54 + 80 by rounding each number to the nearest 10: ______
- Estimate 32 − 86 by rounding each number to the nearest 10: ______
- Estimate 34 − 80 by rounding each number to the nearest 10: ______
- Estimate 59 + 33 by rounding each number to the nearest 10: ______
- Estimate 54 − 73 by rounding each number to the nearest 10: ______
- Estimate 30 − 50 by rounding each number to the nearest 10: ______
- Estimate 45 + 81 by rounding each number to the nearest 10: ______