Exploring RP Ratio Tables and Totals

In a class of 20 students, the ratio of boys to girls is 3:2. How many girls are there?

• 10

• 8

• 6

• 12

In a class of 20 students, the ratio of boys to girls is 3:2. How many boys are there?

• 6

• 12

• 8

• 10

What is the first step when given a total number of students and a ratio of boys to girls?

• Multiply the ratio by the total

• Subtract the ratio from the total

• Add a total row to the ratio table

• Divide the total by the ratio

How do you find the multiplier when given a total and a ratio?

• Divide the total by the sum of the ratio parts

• Add the ratio to the total

• Multiply the total by the sum of the ratio parts

• Subtract the ratio from the total

On a basketball team with a ratio of 4:1 girls to boys and a total of 15 kids, how many girls are there?

• 3

• 6

• 9

• 12

On a basketball team with a ratio of 4:1 girls to boys and a total of 15 kids, how many boys are there?

• 3

• 6

• 12

• 9

In a lemonade recipe with a ratio of 3:2 lemon juice to water and a total of 75 cups, how many cups of lemon juice are needed?

• 60

• 30

• 45

• 75

In a lemonade recipe with a ratio of 3:2 lemon juice to water and a total of 75 cups, how many cups of water are needed?

• 60

• 45

• 30

• 15

Why is it important to always go back to the final question?

• To ensure the calculations are correct

• To find the required value

• To add a total row

• To check the ratio

What should you do if you have any questions about ratio tables?

• Ignore them

• Ask the teacher

• Skip the topic

• Guess the answers