Understanding Ratios and Proportions

This lesson explores how ratios affect recipes, using examples like flower patterns, drink mixes, and cookies. It covers equivalent ratios and scaling recipes, with practical applications in comparing sodium content in sports drinks. The lesson concludes with homework and practice problems to reinforce understanding.

In the flower pattern, if there are 6 hexagons, how many trapezoids are there?

• 2

• 4

• 8

• 6

What is the ratio of hexagons to triangles in the flower pattern?

• 6:9

• 3:2

• 9:6

• 2:3

If mixture A has a ratio of 4:1, what is the ratio of mixture C?

• 1:4

• 2:8

• 4:1

• 8:2

How do you determine if two mixtures have the same taste?

• By tasting them

• By measuring the volume

• By comparing the ratios

• By checking the color

Which sports drink is saltier when adjusted for serving size?

• Drink A

• Drink B

• Both are equally salty

• Neither is salty

How do you find the equivalent ratio for different serving sizes?

• By multiplying the serving size

• By subtracting the smaller serving size

• By adding the sodium content

• By finding the least common multiple

If a cookie recipe calls for 5 cups of flour and 2 teaspoons of vanilla, how much flour is needed for 3 batches?

• 15 cups

• 10 cups

• 20 cups

• 25 cups

What is the equivalent ratio of flour to vanilla for 5 batches?

• 15:6

• 10:4

• 20:8

• 25:10

How many batches of spice mix can be made with 3 teaspoons of mustard seeds, 5 teaspoons of chili powder, and 1 teaspoon of salt?

• 4

• 3

• 2

• 1

If Pri makes chocolate milk with a 2:5 ratio of milk to cocoa powder, what is the ratio for two batches?

• 2:5

• 4:10

• 6:15

• 8:20