Proportional Thinking: Scaling Recipes & Graphs

A recipe for 12 cookies requires 3 cups of flour. How much flour is needed for 30 cookies?

• 4.5 cups of flour

• 10 cups of flour

• 5 cups of flour

• 7.5 cups of flour

If a graph shows that 1 liter of juice serves 4 people, how many liters are needed to serve 20 people?

• 2 liters

• 10 liters

• 3 liters

• 5 liters

A car travels 150 miles on 5 gallons of gas. How many miles can it travel on 8 gallons?

• 300 miles

• 180 miles

• 240 miles

• 200 miles

A smoothie recipe calls for 2 bananas for every 3 cups of yogurt. How many bananas are needed for 9 cups of yogurt?

• 6 bananas

• 10 bananas

• 8 bananas

• 4 bananas

If a map shows that 1 inch represents 10 miles, how far is it in miles if two cities are 3 inches apart on the map?

• 30 miles

• 20 miles

• 15 miles

• 25 miles

A school is planning a field trip and needs to order 5 pizzas for every 15 students. How many pizzas are needed for 45 students?

• 20 pizzas

• 25 pizzas

• 15 pizzas

• 10 pizzas

A recipe for lemonade uses 2 cups of sugar for every 8 cups of water. How much sugar is needed for 20 cups of water?

• 3 cups of sugar

• 4 cups of sugar

• 6 cups of sugar

• 5 cups of sugar

A graph shows that 2 hours of study results in a score of 80%. If a student studies for 5 hours, what score can they expect?

• 90%

• 60%

• 75%

• 100%

If a recipe is scaled up from 4 servings to 10 servings, and it requires 2 cups of rice, how much rice is needed for 10 servings?

• 3 cups

• 6 cups

• 5 cups

• 4 cups

A recipe calls for 1/4 cup of oil for every 2 cups of flour. How much oil is needed for 6 cups of flour?

• 2 cups of oil

• 1 cup of oil

• 1/2 cup of oil

• 3/4 cup of oil