Exit Ticket: Show that you understand equivalent ratios by using a unit rate and a row-to-row scale factor to complete and justify values in a ratio table.
A table shows equivalent ratios of miles and hours.
Hours | 1 | 2 | 4 | 5 |
|---|---|---|---|---|
Miles | 9 | 18 | 36 | 45 |
What is the unit rate? Make sure to include units in your answer
A table shows equivalent ratios for cost and number of notebooks.
Notebooks | 2 | 3 | 5 |
|---|---|---|---|
Cost $ | 8 | 20 |
Use the unit rate to find the missing cost to buy 3 notebooks.
In your own words, explain how you can use a unit rate to move from one row to another in a table of equivalent ratios.
Your explanation should mention:
how to find the unit rate from a row
how to use it to get a new row (row-to-row)
how you can check your work