Missing Numbers in Tables

Using Unit Rates with tables and equations

1) Find the unit rate... which we will now call "Constant of Proportionality"
2) Use the constant of proportionality to either multiply or divide to find the missing number.

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Filling missing spaces in a table

Dropdown

What is the constant of proportionality for the table?​

Select answer

- When you are going left to right, MULTIPLY by the constant of proportionality.

- When you are going right to left, DIVIDE by the constant of proportionality

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What do we do with the constant of proportionality?

Labelling

Drag the numbers to where they belong on the table. Some numbers will not be used.

Drag labels to their correct position on the image

30

1.666...

10.8

16.666...

6

0.6

Hotspot

Click on the table where you can always find the constant of proportionality.

Multiple Choice

What is the constant of proportionality?

• 4 quarters per dollar

• 4 dollars per quarter

• 0.25 dollars per quarter

• 0.25 quarters per dollar

Multiple Choice

What is the constant of proportionality (in miles per hour) based on the table?

• 45 mph
• 90 mph
• 135 mph
• 0.02222... mph

Multiple Choice

What is the constant of proportionality?

• 3.3333 miles per dollar

• 3.3333 dollars per mile

• 0.3 dollars per mile

• 0.3 miles per dollar

Poll

How well do you think you understand constant of proportionality?