Ratios Big Idea

A ratio is a comparison of two amounts. My uncle has a pocket full of change. In his pocket are 8 pennies, 2 dimes, 5 quarters, and 3 nickels. What is the ratio of dimes to pennies AND nickels?  Hint: the number of dimes compared to the number of pennies

• 3 to 5

• 2 to 11

Gregory has a bag of marbles. In the bag, he has 7 black marbles, 3 blue marbles, 4 green marbles, 5 yellow marbles, 6 red marbles, and 2 white marbles. What is the ratio of blue marbles to black and yellow marbles?

• 1 to 4

• 3 : 12

On the walls in my classroom are 11 triangles, 8 circles, 4 squares, and 6 stars. What is the ratio of squares to triangles?

• 6 to 11

• 4 : 11

• 11 to 4

On the walls in my classroom are 11 triangles, 8 circles, 4 squares, and 6 stars. What is the ratio of stars to triangles?

• 6 to 11

• 4 : 11

• 11 to 4

On the walls in my classroom are 11 triangles, 8 circles, 4 squares, and 6 stars. What is the ratio of circles to squares and stars? Remember to simplify if necessary.

• 6 to 12

• 1 : 2

• 4 to 14

On the walls in my classroom are 11 triangles, 8 circles, 4 squares, and 6 stars. What is the ratio of squares to circles and stars? Remember to simplify if necessary.

• 6 to 12

• 1 : 2

• 4 to 14

At my house are 21 Coke bottle caps, 17 Pepsi bottle caps, 31 Sprite bottle caps, and 25 Mountain Dew bottle caps. What is the ratio of Pepsi bottle caps to Mountain Dew bottle caps?

• 17 to 25

• 17 : 21

• 21 : 31

At my house are 21 Coke bottle caps, 17 Pepsi bottle caps, 31 Sprite bottle caps, and 25 Mountain Dew bottle caps. What is the ratio of Pepsi bottle caps to Coke bottle caps?

• 17 to 25

• 17 : 21

• 21 : 31

At my house are 21 Coke bottle caps, 17 Pepsi bottle caps, 31 Sprite bottle caps, and 25 Mountain Dew bottle caps. What is the ratio of Coke bottle caps to Sprite bottle caps?

• 17 to 25

• 17 : 21

• 21 : 31

At my house are 21 Coke bottle caps, 17 Pepsi bottle caps, 31 Sprite bottle caps, and 25 Mountain Dew bottle caps. What is the ratio of Coke bottle caps to Mountain Dew bottle caps?

• 17 to 25

• 17 : 21

• 21 : 31