Ratios

What is a Ratio?

• Is a comparison of two quantities

• To multiply two fractions

• Strictly a fraction

• Two decimals that can be multiplied

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

What  number is missing?

• 7
• 3
• 10
• 5

What is the missing value in the ratio table?

• 7

• 5

• 10

• 15

Which ratio is equivalent to 5 to 4?

• 25 to 20

• 10 to 12

• 4 to 5

• 15 to 8

Hilbert burns 120 calories per 30 minutes of weight training.  Complete the table to chart his calorie expenditure for different amounts of time. What is the value of a?

• a= 80
• a= 6
• a= 60
• a= 120

Kaleigh is purchasing apps on her iphone. Based on the table How much would it cost of 7 apps?

• $3
• $21
• $24
• $50

What ratio is NOT equal to

6/7

• 12/14

• 60/70

• 30/35

• 7/8