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Lesson: Graphing Ratios Mathematics • 6th Grade

In this lesson, we will learn how to graph ratios using tables of equivalent ratios and how to use a given graph to complete missing values.

Lesson Plan

Students will be able to

use a given table of equivalent ratios to draw or identify an appropriate graph:
- fill in an incomplete ratio table and use it to draw or identify an appropriate graph,
- draw or identify the graph corresponding to a single ratio by considering equivalent ratios,
use a graph of equivalent ratios to find another equivalent ratio.

Q1:

Using the ratio table, determine how many people 8 pizzas would serve.

Number of Pizzas	3	4	7	8
People Served	9	12	21

Q2:

Ethan gets paid the same amount per hour. Complete this table by finding the ratio.

Time Worked (in Hours)	3	5	8	10
Ethan’s Earnings (in Dollars)	60	100	160

Q3:

In every class, the ratio of boys to girls is the same.

What number is missing from the table?

What is the ratio of boys to girls?