Ratios Flashcards
(31 cards)
What is a ratio?
A ratio is a comparison between two quantities, showing how many times one value contains or is contained within the other.
True or False: The ratio 2:3 is equivalent to 4:6.
True
If a recipe calls for a ratio of 3:2 of flour to sugar, how much flour is needed for 10 cups of sugar?
15 cups of flour
What is the simplest form of the ratio 8:12?
2:3
Fill in the blank: The ratio of boys to girls in a class is 5:7. If there are 35 girls, there are _____ boys.
25 boys
What is the method to simplify ratios?
Divide both parts of the ratio by their greatest common divisor (GCD).
Multiple Choice: Which of the following ratios is equivalent to 1:4? A) 2:8 B) 3:12 C) 5:20 D) All of the above
D) All of the above
How do you express the ratio of 15 to 5 in simplest form?
3:1
True or False: The order of numbers in a ratio matters.
True
If a car travels 60 miles in 1 hour, what is the ratio of distance to time?
60 miles:1 hour
What is a part-to-part ratio?
A part-to-part ratio compares different parts of a whole to each other.
Fill in the blank: In the ratio 4:9, the first number is _____ than the second number.
smaller
What does a ratio of 1:1 signify?
It signifies that both quantities are equal.
Multiple Choice: If the ratio of cats to dogs is 2:3, what is the total number of parts? A) 5 B) 6 C) 7 D) 8
A) 5
How do you convert a ratio into a fraction?
By writing the first number as the numerator and the second number as the denominator.
True or False: Ratios can only be expressed in whole numbers.
False
What is the ratio of 50 to 100 in simplest form?
1:2
If the ratio of red balls to blue balls is 3:5 and there are 15 red balls, how many blue balls are there?
25 blue balls
Fill in the blank: The ratio of 10 to 15 can also be expressed as _____:1.
2:3
What is an example of a part-to-whole ratio?
The ratio of boys to total students in a class.
Multiple Choice: Which ratio is larger? A) 4:5 B) 2:3 C) 3:4 D) 1:1
D) 1:1
True or False: Ratios can be used in real-life situations.
True
What is the ratio of 100 to 25 in simplest form?
4:1
Fill in the blank: If the ratio of apples to oranges is 6:4, then there are _____ apples for every 2 oranges.
3 apples