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?
5 X 2 1/4
11 1/4
What method do I use when dividing fractions?
KFC
Keep Flip Change
KCF
Keep Change Flip
The three most common ways to write the ratio of 3 apples to 5 bananas.
What are 3 to 5, 3:5, and 3/5?
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 method used to convert mixed numbers to improper fractions.
The TX method
9 divided by 2/3
13 1/2
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?
1/2 X 3/4
3/8
9/10 divided by 2/3
1 7/20
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?
5 1/2 X 2 1/2
13 3/4
6/7 divided by 5
6/35
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?
In a box of fruit loops there are 30 green, 20 blue, 50 red, 40 orange, and 60 yellow. What is the ratio of blue to total?
20 to 200
1 to 10
3 2/3 X 6 1/4
22 11/12
6 1/4 divided by 2 2/3
2 11/32