1. Mrs. Lofton’s 6th grade math
Do Ratios Matter?
6.RP.1 Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.
Mrs. Lofton’s 6th grade math

2. What is a ratio?
A ratio is one thing compared to or related to another thing; it is just a statement or an expression.
Example : The ratio is 3:1 or 3/1
Example: Suppose there are thirty-five people, fifteen of whom are men. Then the ratio of men to women is 15 to 20.

3. Reading a ratio
The order of the numbers in a ratio should match the order of the words in a ratio. apples to oranges

4. Ratios can be written in several different ways. moon to stars 1:3 1/3
Ways to write a ratio
Ratios can be written in several different ways.
moon to stars
1:3
1/3

5. Ratio as comparison Ratios can show comparisons between: part to part
Red to green
1 to 2
Green to red
2 to 1

6. Part to whole
Ratio can show a comparison between: part to whole Green to whole 2 to 3 2/3 Red to whole 1 to 3 1/3

7. Ratio can show a comparison between: Whole to part Whole to green 3: 2
Whole to red
3/1

8. Do we use ratios in real life?
After the video you will have to solve several ratio problems
You will need paper and pencil
Be ready to share

9. Can you solve? What is the ratio birds to dogs:________ to ________
What is the ratio apples to oranges______: _______
What is the ratio chairs to butterflies
Write the answers three ways

10. Can you solve?
Tom has 13 video games. 5 are action games, 2 are adventure and the rest are sports. How many sports games to action games does Tom have?
Compare first part to part
Next compare part to whole
Lastly compare whole to part

11. Can you solve the problem?
In Mrs. Jones’ class are 20 students. There are 12 boys and 8 girls. 7 students have brown hair, 10 have blonde hair and 3 have red hair. What is the ratio of students with blond hair to those that have red hair?
Martha has 10 shirts. 3 are red and the rest are white. How many red shirts to white shirts does she have?

12. Don’t forget 1st graded homework check Friday!!!!!!!
Textbook pages even
Don’t forget 1st graded homework check Friday!!!!!!!