Part-to-Part Ratios
Part-to-Whole Ratios
Scaling Up or Down
Multiplicative Reasoning
Additive Reasoning
100

If there are 3 dogs and 2 cats in a pet store, what is the ratio of dogs to cats?

What is 3 dogs:2 cats

100

If there are 3 apples and 2 oranges, what is the ratio of apples to the total number of fruits?

What is 3 apples : 5 fruits?

100

If 4 pencils cost $2, how much would 8 pencils cost?

What is $4?

100

If the halftime score for the Crusaders is 30 and they score twice as much in the second half, what would be their final score?

What is 60 points for the Crusaders?

100

If the score difference at halftime is 10 points, what will the score difference be if each team scores 15 more points in the second half?

What is the score difference will remain 10 points?

200

A garden has 5 roses and 10 tulips. What is the part-to-part ratio of roses to tulips?

What is 5 roses:10 tulips or 1 rose:2 tulips (simplified)

200

In a classroom of 10 girls and 5 boys, what is the part-to-whole ratio of boys?

What is 5 boys : 15 students or 1 boy : 3 students?

200

A recipe uses 3 cups of water for every 2 cups of flour. If you only have 1 cup of flour, how much water should you use?

What is 1.5 cups of water?

200

Robena is 3 times as old as her brother, who is 5. How old is Robena?

What is 15 years old for Robena?

200

A girl is 4 years older than her brother, who is 6. How old is the girl?

What is 10 years old?

300

In a box of 8 blue and 6 green marbles, what is the ratio of blue to green marbles?

What is 8 blue:6 green or 4 blue:3 green

300

There are 6 red balls and 4 green balls in a bag. What is the part-to-whole ratio of green balls?

What is 4 green balls : 10 balls or 2 green balls : 5 balls?

300

If 10 pounds of apples cost $5, how much would 30 pounds cost? Double your points by telling me if you scaled up or down.

What is $15? (Scaled up by 3)

300

A recipe calls for 2 eggs for every cup of milk. How many eggs would you need if you used 3 cups of milk?

What is 6 eggs?

300

If Robena wants to maintain a 10-point lead over her opponent, and they have 40 points, how many points does Robena need?

What is 50 points?

400

If there are 12 red and 9 yellow flowers, what is the part-to-part ratio of red to yellow?

What is 12 red flowers : 9 yellow flowers or 4 red flowers : 3 yellow flowers?

400

In a set of 7 apples and 3 bananas, what is the part-to-whole ratio of bananas?

What is 3 bananas : 10 fruits?

400

A car can travel 60 miles on 3 gallons of gas. How far can it go on 9 gallons?

What is 180 miles?

400

If a train travels 50 miles per hour, how far will it travel in 3 hours?

What is 150 miles?

400

A bus starts with 20 passengers. If 5 more people board at the next stop, how many passengers are there now?

What is 25 passengers?

500

In a group of 15 girls and 5 boys, what is the ratio of girls to boys? Can you simplify to double your points?

What is 15 girls : 5 boys or 3 girls : 1 boy?

500

Out of 12 students, 8 prefer pizza, and 4 prefer pasta. What is the part-to-whole ratio of students who prefer pasta?

What is 4 students preferring pasta : 12 students or 1 student preferring pasta : 3 students?

500

A classroom has 5 desks for every 10 students. How many desks would be needed for 20 students to maintain the same ratio?

What is 10 desks?

500

If 1 book costs $4, how much would 7 books cost?

What is $28?

500

If you save $10 every week, how much will you have saved in 5 weeks?

What is $50?