Ratios
Equivalent Ratios & Tables
Rates &
Unit Rates
Unit Rates
Scale Up &
Scale Down
Scale Down
Rates &
Graphs
Graphs
100
What is a ratio in your own words?
A ratio is comparison of two quantities by division (or something similar)
100
Are these ratios equivalent?
3:6 and 6:12
Yes!
100
What is rate in your own words?
What is unit rate?
A rate is a ratio that compares two amounts that have different units.
A unit rate is a rate that makes a comparison to 1 unit.
100
3/2 =12/?
8
100
What coordinate comes first in an ordered pair (the X or the Y)?
The X
200
Draw a model for the ratio 7:5
OOOOOOO
XXXXX
200
Find two equivalent ratios for 2:3
4:6 AND 6:9
(answers can vary)
200
Mckenna bought 3 bottles of juice for $12. Write the rate as a fraction. Then find the unit rate.
$12/3 bottles
Unit rate: $4/1 bottle
200
45/? = 5/6
54
200
If my graph has # of points on the x-axis and minutes on the y-axis, what would this point mean: (3,10)
They scored 3 points in 10 minutes
300
Write the ratio 3 to 10 in two different ways
3/10
3:10
300
Darren bought 5 legos for $8. How many legos can he buy for $24?
Use a table to show your work!
15 legos
300
If it takes Ms. Moritz 18 minutes to drive 9 miles, what is the UNIT RATE?
Use labels!!!!!
2 minutes:1 mile
300
?/4 = 26/13
Hint: Remember our 3 steps if you can't easily scale up down!
8
300
* Question on Ms. H's iPad
* Answer on Ms. H's iPad
400
What is the ratio of circles to squares?
6:3
(Also right: 6/3 OR 6 to 3!)
400
Julian ran 2 miles in 12 minutes. Vicky ran 3 miles in 18 minutes. Did Julian and Vicky run the same number of miles per minute?
Use two tables!
Distance (miles) vs. Time (minutes)
Yes, they ran the same number of miles per minute since the ratio 6/36 appears in both tables.
400
If I can buy 5 bags of treats for summer for $35, how much does one bag of treats cost?
$7
400
42/14 = ?/5
Hint: Remember our 3 steps if you can't easily scale up down!
15
400
*Question on Ms. H's iPad
*Answer on Ms. H's iPad
500
There are 3 girls and 2 boys wearing blue. Write the ratio that compares the girls wearing blue to the total number of students wearing blue.
Write it in the three different ways you can write a ratio!
3:5
3 to 5
3/5
500
Determine whether the ratio is equivalent to 4:7. These are the choices:
4:8 8:14 6:9 20:35
Only these two are equivalent to 4:7
20:35 AND 8:14
500
A rabbit runs 35 miles per hour. Select the ANIMALS who run at a faster unit rate that the rabbit?
Reindeer: 100 miles in 2 hours
Zebra: 90 miles in 3 hours
Ostrich: 80 miles in 2 hours
Reindeer and Ostrich
500
Lindsey made 6 out of every 10 goals she attempted to make during soccer practice. If she attempted to make 25 goals, how many did she actually make?
Hint: Remember our 3 steps if you can't easily scale up down!
15 goals
500
* Question on Ms. H's iPad
* Answer on Ms. H's iPad