| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.44 |
| Score | 0% | 69% |
Which of the following is an improper fraction?
\({a \over 5} \) |
|
\({7 \over 5} \) |
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\({2 \over 5} \) |
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\(1 {2 \over 5} \) |
A rational number (or fraction) is represented as a ratio between two integers, a and b, and has the form \({a \over b}\) where a is the numerator and b is the denominator. An improper fraction (\({5 \over 3} \)) has a numerator with a greater absolute value than the denominator and can be converted into a mixed number (\(1 {2 \over 3} \)) which has a whole number part and a fractional part.
Which of the following is not an integer?
\({1 \over 2}\) |
|
1 |
|
0 |
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-1 |
An integer is any whole number, including zero. An integer can be either positive or negative. Examples include -77, -1, 0, 55, 119.
The __________ is the greatest factor that divides two integers.
greatest common multiple |
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least common multiple |
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absolute value |
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greatest common factor |
The greatest common factor (GCF) is the greatest factor that divides two integers.
Find the average of the following numbers: 16, 12, 18, 10.
| 14 | |
| 18 | |
| 13 | |
| 11 |
To find the average of these 4 numbers add them together then divide by 4:
\( \frac{16 + 12 + 18 + 10}{4} \) = \( \frac{56}{4} \) = 14
The __________ is the smallest positive integer that is a multiple of two or more integers.
absolute value |
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least common multiple |
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greatest common factor |
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least common factor |
The least common multiple (LCM) is the smallest positive integer that is a multiple of two or more integers.