🧮 Percentages and Ratios
Master the essential skills of percentages, ratios, and rates that appear throughout everyday life—from shopping discounts to recipe conversions. This quiz covers converting between decimals and percentages, calculating percent changes, solving part-whole relationships, and applying these concepts to real-world problems like tips and discounts. **What you'll learn:** - Convert decimals to percentages and vice versa - Calculate percentages of quantities using multiplication - Find percent increase and percent decrease - Solve ratio and rate problems - Apply percentages to real-world scenarios (discounts, tips, commissions)
Questions in this quiz
Answers hidden — play to find out.
- Question 1
Convert the decimal 0.65 to a percentage.
- Question 2
What is 25% of 80?
- Question 3
The decimal 0.08 is equivalent to 8%.
- Question 4
A jacket originally costs $120 and is on sale for 30% off. What is the sale price?
- Question 5
Convert 45% to a decimal.
- Question 6
If the price of a video game increases from 50, the percent increase is 25%.
- Question 7
The ratio of boys to girls in a class is 3:2. If there are 15 boys, how many girls are there?
- Question 8
A restaurant bill is $85 before tax. If you want to leave a 15% tip, how much should the tip be?
- Question 9
What percent of 200 is 50?
- Question 10
A store reduces the price of shoes from 60. What is the percent decrease?
- Question 11
The ratio 4:6 is equivalent to the ratio 2:3.
- Question 12
If a recipe calls for 2 cups of flour for every 3 cups of sugar, how much flour is needed if you use 9 cups of sugar?
- Question 13
A car travels 120 km in 2 hours. What is the average speed (rate)?
- Question 14
If you increase a value by 50%, it becomes 1.5 times its original value.
- Question 15
A store's inventory shows that 35% of items are clothing. If there are 700 total items, how many are clothing?
- Question 16
The ratio of apples to oranges in a fruit bowl is 5:3. If there are 40 apples, how many total pieces of fruit are in the bowl?
- Question 17
A student scores 92 out of 100 on a test. What is this score as a percentage?
- Question 18
If an item's price increases by 10% and then decreases by 10%, the final price is the same as the original price.