Unit Ratios and Proportions

This video tutorial for Grade 6 Unit 2 Lesson 7 focuses on understanding and applying equivalent ratios using double number lines. Students learn to create and use these lines to solve problems involving ratios in various contexts, such as recipes and mixing liquids. The lesson includes a warm-up activity, practice problems, and a summary of key concepts. The video emphasizes the importance of understanding unit ratios and their application in real-world scenarios.

What is the main tool introduced in this lesson for understanding equivalent ratios?

• Bar graph

• Pie chart

• Double number line

• Single number line

Where would 1/2 be located on a number line that starts at 0 and ends at 2?

• At 1

• At 0.5

• At 1.5

• At 2

In the blue and yellow water ratio, how many yellows are there for every one blue?

• Five yellows

• Four yellows

• Three yellows

• Two yellows

Why is it useful to know the unit ratio in a problem?

• It helps in addition

• It helps in subtraction

• It helps in multiplication

• It helps in division

For every two pints of water, how many cups of flour are needed in the recipe?

• Eight cups

• Six cups

• Ten cups

• Four cups

If you have 24 cups of flour, how many pints of water are needed?

• Four pints

• Six pints

• Ten pints

• Eight pints

In the tuna casserole recipe, how many cups of pasta are needed for 40 ounces of soup?

• 18 cups

• 20 cups

• 12 cups

• 15 cups

How many tablespoons of sugar are used per teaspoon of cinnamon in the cinnamon rolls recipe?

• Four tablespoons

• Two tablespoons

• One tablespoon

• Three tablespoons