29 Jan 21 Lesson

6 Slides • 2 Questions

1

29 Jan 21

Proportional Relationships

2

What is a proportional Relationship

This is when the x and y axis grow at the same rate (speed)

3

Example

$\frac{x}{y}\ \ \frac{1}{2}\ \ \frac{2}{3}\ \ \frac{3}{4}\ \frac{4}{5}$
Notice how the x values go by 1 and the y values go by 1 also. This is a proportional relationship.

4

Another Example

$\frac{x}{y}\ \ \frac{2}{6}\ \ \frac{4}{8}\ \ \frac{6}{10}\ \ \frac{8}{12}$
Do each of the numbers rise in the same amount each time?

5

How about now....

$\frac{x}{y}\ \ \frac{\frac{1}{2}}{2}\ \ \frac{1}{3}\ \ \frac{\frac{3}{2}}{4}\ \ \frac{2}{5}$
Does the x and the y grow the same?

6

Fill in the Blanks

Type answer...

7

Multiple Choice

Find the missing number

\frac{x}{y}\ \ \frac{2\ \frac{1}{2}}{3}\ \ \frac{2\ \frac{2}{4}}{3.5}\ \ \frac{2\ \frac{4}{8}}{4}\ \ \frac{x}{y}

1

2 , 4

2

2 $\frac{1}{3}$

3

3, 4.5

8

Sometimes......

They do not always grow at the same rate these are not proportional

29 Jan 21

Proportional Relationships

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