Converting between Fractions, Decimals & Percentages
Convert 1/4 into a decimal.
0.25
What is a percentage always out of?
100
If there are 18 girls in the class, and 30 students total, what percentage of the class are girls?
60%
What is 20% of 65?
13
Increase 12 by 26%.
15.12
Convert 46% into a fraction. Simplify!
23/50
How do we convert from a decimal to a percentage?
Multiply by 100
Jane bowled a strike on 6 of her 15 bowls. What percentage of her bowls were a strike?
40%
What is 18% of 120?
21.6
Decrease 90 by 4%.
86.4
Convert 0.62 into a fraction. Simplify!
31/50
Write the percentage over 100, then simplify.
Susan makes 12 free throws out of 15. What percentage of her free throws did she make?
80%
What is 7% of 90?
Increase 45 by 100%.
90
Convert 3/7 into a percentage.
42.86%
What do percentages have in common with decimals and fractions?
They are all parts of a whole.
Tony eats 4 apples, and there are 10 left. What percentage of the apples did he eat?
28.57%
What is 14.6% of 12?
1.752
Decrease 38 by 0.5%
37.81
Convert 124% into a fraction. Simplify!
31/25
If the decimal you were given was 4, what would the percentage be?
400%
Bert found 4 chocolate eggs, and Ernie found 7. If there were 20 eggs hidden, what percentage of the total eggs did they find?
55%
What is 134.88% of 30?
40.464
Increase 40 by 60%, then decrease that number by 60%.
38.4