A ratio is a comparison of two quantities using division.
-Ratios can be written to compare a part to a part, a part to the whole, or the whole to a part.
-Ratios must be in simplest form.
-Ratios can be written three different ways:
- As a fraction (1/3)
- With a colon (1:3)
- With the word “to”(1 to 3)
Write the following ratio 2 different ways:
¾ ______
10:12 ______
Let’s try a few problems
What is the ratio of boys to girls in this class?
What is the ratio of students wearing orange shirts to total students in this class?
What is the ratio of students to teachers in this class?
What is the ratio of students wearing green shirts to students wearing non-green shirts in this class?
A ratio is a comparison of two quantities using division.
-Ratios can be written to compare a part to a part, a part to the whole, or the whole to a part.
-Ratios must be in simplest form.
-Ratios can be written three different ways:
- As a fraction (1/3)
- With a colon (1:3)
- With the word “to”(1 to 3)
Write the following ratio 2 different ways:
¾ ______
10:12 ______
Equivalent ratios are ratios that name the same comparison. You can find an equivalent ratio by multiplying or dividing both terms of a ratio by the same number.
Write an equivalent ratio for each of the following:
4/10 ______
9:27 ______
5 to 6 ______
A ratio is a comparison of two quantities using division.
-Ratios can be written to compare a part to a part, a part to the whole, or the whole to a part.
-Ratios must be in simplest form.
-Ratios can be written three different ways:
- As a fraction (1/3)
- With a colon (1:3)
- With the word “to”(1 to 3)
Write the following ratio 2 different ways:
¾ ______
10:12 ______
Equivalent ratios are ratios that name the same comparison. You can find an equivalent ratio by multiplying or dividing both terms of a ratio by the same number.
Write an equivalent ratio for each of the following:
4/10 ______
9:27 ______
5 to 6 ______