Math Ratios and Rates

In a bag of Jolly Ranchers, the ratio of blue to red is 3 to 4.  If I have a TOTAL of 56 Jolly Ranchers, how many of them are blue?  Solve with a tape diagram.

• 12

• 28

• 32

• 24

The math team has 12 boys, 10 girls, and one coach. What is the ratio of coaches to students?

• 22 to 1

• 1/10

• 1 to 22

• 1:12

There are 4 birds and 6 snakes. What is the ratio of birds to total animals?

• 4/10

• 4/6

• 6/4

• 10/4

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the diagrams to answer.

• 4

• 30

• 70

• 40

If there are 120 boys in the group, how many boys and girls are there TOTAL?  Use the tape diagrams to solve.

• 150

• 270

• 250

• 360

A _______ is a comparison between two quantities in which for every a units of one quantity there are b units of another quantity.

Mrs. Dingle has 8 boys and 4 girls in her class. What is the ratio of boys to girls in simplest form?

• 1:2

• 8:4

• 2:1

• 4:8

A small batch of cookie dough calls for 2 cups of flour and 1 egg. A large batch has the same ratio of ingredients and calls for 6 cups of flour. How many eggs are in the large batch?

• 5

• 3

• 2

• 0

Sally makes bracelets with 2 charms for every 8 beads. Choose the ratios that are equivalent.

• 8 charms 32 beads

• 8 charms 2 beads

• 4 charms 16 beads

• 1 charm 2 beads

In a class of 24 students 8 wear glasses. How mant students would you expect to wear glasses out of 96?

• 32

• 288

• 24

• 12