Fractions in Disguise - Flash Cards
1/20
What does '%' stand for?
'%' means 'per cent', derived from Latin 'per centum', meaning 'by the hundred'.
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2/20
How do you express 25% as a fraction?
25% = 25/100 = 1/4.
3/20
What is the formula to convert a percentage to a fraction?
To convert a percentage z% to a fraction: z% = z/100.
4/20
How can 50% be expressed in fraction?
50% = 50/100 = 1/2.
5/20
What is 3/4 as a percentage?
3/4 = 75%, achieved by finding an equivalent with 100 as the denominator.
6/20
How to convert 2/5 into a percentage?
2/5 = 40%, by multiplying by 100.
7/20
Can 24% be expressed as a simpler fraction?
Yes, 24% = 24/100 = 6/25.
8/20
What is the first step in converting a fraction to a percentage?
Find the fraction's equivalent fraction with a denominator of 100.
9/20
What percentage is 7/14?
7/14 = 50%, as both can be simplified to 1/2.
10/20
What does it mean if a fraction is expressed as a percentage?
It means the fraction is expressed as parts per hundred.
11/20
How do you express 9/20 as a percentage?
9/20 = 45%, by multiplying by 5 (to get a denominator of 100).
12/20
What percentage of 25 marbles are white if 15 are white?
White marbles = 15/25 = 60%.
13/20
What is the percentage of students walking to school if 15 out of 80?
Students walking = 15/80 = 18.75%, approximately 19%.
14/20
Why is 100 a common denominator for percentages?
100 is a round number that works well in base 10 decimal system.
15/20
What is the advantage of using percentages over fractions?
Percentages provide clarity and ease of comparison.
16/20
How do you identify which is greater: 50% or 5%?
50% is greater than 5%.
17/20
What can percentages help with in statistics?
They can simplify comparisons and understand data distributions.
18/20
Is 9/34 more or less sugary if it's 26.47%?
It is 26.47% sugary, allowing easier comparison with other percentages.
19/20
What is an equivalent fraction for 40%?
40% = 40/100 = 2/5.
20/20
When comparing percentages, what method can be used?
Convert fractions to percentages for direct comparison.
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