Proportional Relationships

Today we're going to learn how to solve problems with proportional relationships by using tables.

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Multiple Select

Do you know what the word PROPORTIONAL means?

• YES

• NO

Proportional is when two things increase or decrease at the same rate?

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Example: If 1 apple costs $2

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then 2 apples cost $4

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If 1 apple cost $2,
then what is the cost of 3 apples?

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Math Response

1 Apple = $2

3 Apples = ?

Type answer here

Correct Answer: 6

Deg^°

Rad

Math Response

1 Apple = $2

4 apples = ?

Type answer here

Correct Answer: 8

Deg^°

Rad

Now,
Let's try solving using a table

​# of Apples	​Cost
​1	​$2
​2	​$4
​3	$6​
​4	​$8

​# of Apples	​Cost
​1	​
​2	​
​3	$6
​4	​

​# of Apples	​Cost
​1	$2
​2	​$4
​3	$6​
​4	​$8

Draw

Find the cost for 2, 3 and 4 slices of pizza ,

if 1 slice of pizza cost $3

Draw

What is the cost of 1 case of water, 2 cases of water, and 3 cases of water?

Open Ended

If 3 pencils cost $1.50, how much would 9 pencils cost?

Labelling

Fill in the table

Drag labels to their correct position on the image

7

5

3

12

4

6

Labelling

Fill in the table

Drag labels to their correct position on the image

80

130

120

520

65

260