Model Ratios
Writing Equivalent Ratios
Vocabulary
Unit Rates
Word Problems
100
Write a ratio of yellow to red circles:
5/3, 5:3, 5 to 3
100
Write 2 more Equivalent Ratios:
1/4
2/8, 3/12, 4/16
100
What is a ratio?
A way to compare two quantities
100
A bag of 12 apples costs $6.00. What is the cost per apple?
$ .50
100
A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need?
12
200
Write a ratio of red to blue circles:
5/6, 5:6, 5 to 6
200
Write 2 more Equivalent Ratios:
2/9
4/18, 6/27, 8/36
200
What does the word per mean?
"For each" or 'For every"
200
A 6 pack of Mt Dew costs $3.00 and a 12 pack of Pepsi costs $9.00. Which soda has the better deal?
Mt dew = $.50 per can
Pepsi = $.75 per can
Mt Dew has the better deal
200
For every $5 Carl spends on movies, he spends $15 on video games. Last month, he spent $60 on video games. How much did he spend on movies?
$20
300
There are 5 dogs and 3 cats. What is the ratio of cats to dogs?
3:5
300
Write 2 more Equivalent Ratios:
9/13
18/26, 27/39, 36/52
300
What is an equivalent ratio?
Two ratios that have the same value
300
What is the unit rate for 60 miles per 2 hours?
30 mph
300
Keely went for a long swim. If she swam 12 km in 3 hours, how far would she swim in 6 hours?
24km
400
There are 10 white marbles and 3 blue marbles. What is the ratio of white to blue marbles?
10:3
400
Write 2 more equivalent ratios to 3/4
Write 2 more equivalent ratios
6/8, 9/12, 12/16
400
What is a unit rate?
A rate with a denominator of 1
400
At the store cookies cost $4.00 for 2 bags. How much does it cost for 4 bags of cookies?
$8.00
400
The ratio of students who like apple juice to grape juice is 4:3. If 30 kids in the class like grape juice, how many kids like apple juice?
40
500
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of black blocks to total blocks?
4:9
500
Write 2 more Equivalent Ratios:
24/36
12/18, 6/9, 2/3, 8/12, 4/6,
500
What is a rate?
A comparison of two different quantities with different units.
500
A book fair had a sale where 6 books were $36.00. If you wanted to buy 7 books how much would it cost?
$42.00
500
Eli's parents give him a small scoop of peas with dinner. He lines them up all the way across the top of his 20 cm plate. Then, he eats then one at a time. If each pea is about 8 mm wide, how many peas does Eli eat ?
25