Lesson 03: Recipes | Unit 2: Introducing Ratios

Open Ended

A recipe for 1 batch of spice mix says, “Combine 3 teaspoons of mustard seeds, 5 teaspoons of chili powder, and 1 teaspoon of salt.” How many batches are represented by the diagram? Explain or show your reasoning.

Draw

Priya makes chocolate milk by mixing 2 cups of milk and 5 tablespoons of cocoa powder. Draw a diagram that clearly represents two batches of her chocolate milk.

Multiple Choice

In a recipe for fizzy grape juice, the ratio of cups of sparkling water to cups of grape juice concentrate is 3 to 1. Which of the following ratios would make a mixture that tastes the same as this recipe?

• 1:3
• 2:1
• 4:1
• 3:1

Multiple Choice

In a recipe for fizzy grape juice, the ratio of cups of sparkling water to cups of grape juice concentrate is 3 to 1. Describe another mixture of sparkling water and grape juice that would taste different from this recipe.

• 2 cups of sparkling water to 1 cup of grape juice concentrate.
• 4 cups of sparkling water to 1 cup of grape juice concentrate.
• 1 cup of sparkling water to 2 cups of grape juice concentrate.
• 1 cup of sparkling water to 1 cup of grape juice concentrate.

Draw

Write the missing number under each tick mark on the number line.

Fill in the Blank

Fill in the blank to make the equation true: $$3\ \cdot\ \frac{1}{3}\ =$$

Fill in the Blank

Fill in the blank to make the equation true: $$10\ \cdot\ \frac{1}{10}\ =$$

Fill in the Blank

Fill in the blank to make the equation true: $$19\ \cdot\ \frac{1}{19}\ =$$

Fill in the Blank

Fill in the blank to make the equation true: $$a\cdot\ \frac{1}{a}\ =$$

(As long as $$a$$ does not equal 0.)

Multiple Choice

Fill in the blank to make the equation true: 5 x ___ = 1

• $$\frac{1}{5}$$

• 2
• $$\frac{3}{2}$$

• $$\frac{3}{5}$$