Model Ratios
Writing Equivalent Ratios
Are the ratios equivalent?
Solve Equivalent Ratios
Word Problems
100
Write a ratio of yellow to red circles:
5/3, 5:3, 5 to 3
100
Write 3 more Equivalent Ratios:
1/4
2/8, 3/12, 4/16
100
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
2/4 = 3/5
10 = 12
No!
100
Solve for x to make the Ratios Equivalent:
x/5 = 8/10
x = 4
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 3 more Equivalent Ratios:
2/9
4/18, 6/27, 8/36
200
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
5/10 = 3/6
30 = 30
Yes!
200
Solve for x to make the Ratios Equivalent:
3/9 = 9/x
x = 27
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 3 more Equivalent Ratios:
9/13
18/26, 27/39, 36/52
300
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
8/10 = 16/18
144 = 160
No!
300
Solve for x to make the Ratios Equivalent:
7/14 = x/42
x = 21
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
***DAILY DOUBLE***
1 Minute Timed
Write 7 more Equivalent Ratios:
12/16
400
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
13/14 = 39/42
546 = 546
Yes!
400
Solve for x to make the Ratios Equivalent:
2/16 = x/80
x = 10
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 3 more Equivalent Ratios:
24/36
12/18, 6/9, 2/3, 8/12, 4/6,
500
Are the Ratios Equivalent?
Show Evidence and write Yes or No.
8/32 = 56/224
1792 = 1792
Yes!
500
Solve for x to make the Ratios Equivalent:
18/x = 54/90
x = 30
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