Ratio Facts
What is an example of a ratio?
If there are 2 oranges and 3 apples, the ratio of oranges to apples is 2:3, and the ratio of oranges to the total number of pieces of fruit is 2:5.
What is a Ratio?
A ratio is the comparison of two quantities of the same kind, or the relationship of one similar quantity to another
IN OTHER WORDS. an association between 2 or more quantities
Do you always have to simplify a ratio?
A ratio which has been simplified is said to be written in its simplest form.
For example, the greatest common factor of both parts of the ratio 4:2 is 2 , so 4 : 2 = 2 : 1 .
An aquarium has 14 seals, 22 penguins and 4 sea turtles. What is the ratio of sea turtles to seals?
2:7
What does GCF stand for?
Greatest Common Factor
what are the symbols when writing a ratio?
the word "to", : , or /
What is a part-to-part ratio?
comparing one part of the group to another part of the group
How do you calculate a ratio?
When calculating a ratio, pay attention to pieces of data. Determine if the ratio is asking for a part-to-part ratio or a part-to-whole ratio.
The ratio of boys to girls is 1:1. If there are 250 boys, how many girls are?
250 girls
how many different ways can a ratio be written?
3
A pattern has 4 blue triangles to every 12 yellow triangles. What is the ratio of blue triangles to all triangles?
4:16
Simplified- 1:4
what is a part-to-whole ratio
a ratio comparing one part of a set of data to the total collection of data
What does a 1 to 3 ratio mean?
The ratio 1 to 3 is comparing 1 item to 3 items. This can be written as 1 to 3, 1:3, or 1/3
12 students play on the school's basketball team and 36 students play on the football team. What is the ratio of basketball players to football players?
1:3
Another word simplify
reduce or simpler form
You've prepared 1 cup of sugar for a recipe that calls for a ratio of 1:8 of sugar to flour. How much flour do you need?
8 cups of flour
What does it mean to simplify?
means to make it simple
Unscramble the word
lveunqieat
equivalent
Junie notices that there are 13 right-handed players on his baseball team and 2 left-handed players.
What is the ratio of left-handed players to right-handed players?
2:13
How can you simplify a ratio?
divide all parts of the ratio by their greatest common factor
The ratio 3:4 means what if the first number stands for dogs and second number stands for cats?
It means that for every 3 dogs there are 4 cats
What is a Greatest Common Factor?
The greatest factor that can divide two numbers
Does a ratio mean multiply?
NO!
Ratios can be written as fractions and the fraction bar means division. Ratios mean division. For instance the ratio 1 to 3 means 1 divided by 3.
Abigail drew 12 hearts and 14 circles. What is the ratio of hearts to all shapes?
6:13
Fill in the blank
ratios quantities and shows the
between them.
*compare, **relationships