Basic Ratios
This is the comparison of two quantities by division.
What is a ratio?
If you double both terms of the ratio 2:3, this is the new ratio.
What is 4:6?
In a class of 12 girls and 8 boys, the ratio of girls to boys is this.
What is 3:2?
The ratio 2:6 scales to this when each term is multiplied by 2.
What is 4:12?
This equation shows that two ratios are equal.
What is a proportion?
The ratio 3:1 means this many parts are given for every 1 part of the other.
What is 3?
The ratio 4:10 is equivalent to this when simplified.
What is 2:5?
If you have 40 apples and 10 are rotten, the ratio of fresh apples to rotten apples is this.
What is 3:1?
The simplified form of the ratio 45:60 using scaling.
What is 3:4?
In the proportion 3/4 = x/8, x is this number.
What is 6?
This is how you express the ratio 4:5 as a fraction.
What is 4/5?
Multiply both terms of the ratio 5:8 by 2 to get this equivalent ratio.
What is 10:16?
In a recipe, if you need 2 cups of sugar for every 3 cups of flour, this is the ratio of sugar to flour.
What is 2:3?
If you scale the ratio 1:4 by multiplying by 5, this is the result.
What is 5:20?
The ratio 5:9 is equivalent to the ratio 10:n. This is the value of n.
What is 18?
The simplest form of the ratio 8:4.
What is 2:1?
This is what you call multiplying or dividing the terms of a ratio by the same number.
What is scaling or Finding an Equivalent ratio?
If there are 15 red marbles and 20 blue marbles, the ratio of red to total marbles is this.
What is 3:7?
If you reduce the ratio 18:24 by dividing each term by 6, you get this.
What is 3:4?
If 9:x = 3:5, this is the value of x.
What is 15?
This is the equivalent fraction for the ratio 90:120 when simplified.
What is 3/4?
If the ratio is 74:37, this is the simplest form you can scale it to.
What is 2:1?
A mixture consists of water and juice concentrate in a ratio of 4:1, this is the fraction of the mixture that is juice concentrate. (HINT: Think part to total)
What is 1/5?
Scaling the ratio 60:150 by dividing by 3 gives you this ratio.
What is 20:50?
Solve the proportion 8:12 = n:18 to find the value of n.
What is 12?