Understanding Fractions and Ratios

This video tutorial covers Unit 4 Lesson 5, focusing on dividing fractions using various methods. It includes using tape diagrams, pattern blocks, and standard inch rulers to visualize and solve division problems. The lesson also explores writing equations for division and multiplication, comparing unit rates for better deals, and understanding ratios in recipes.

How many times does one-third fit into one-half according to the tape diagram?

• 1.5 times

• 2 times

• 1 time

• 2.5 times

Using pattern blocks, how many times does the blue shape fit into the red shape?

• 2.5 times

• 1 time

• 1.5 times

• 2 times

How many halves are there in seven inches?

• 14

• 12

• 10

• 7

How many sections of three-eighths are in six?

• 12

• 14

• 16

• 18

How many sections of five-sixteenths are in one and seven-eighths?

• 4

• 5

• 6

• 7

How many two-fifths are in one and a half according to the tape diagram?

• 3.75

• 3

• 2.5

• 2

Which vendor offers a better deal for milk?

• Vendor 1

• Both are the same

• Cannot be determined

• Vendor 2

For a recipe using five cups of flour for every two cups of sugar, how much sugar is used for one cup of flour?

• 1/5 cup

• 2/5 cup

• 3/5 cup

• 1/2 cup

How much flour is used with seven cups of sugar in the given recipe ratio?

• 15 cups

• 16.5 cups

• 17.5 cups

• 18 cups

How much sugar is used with six cups of flour in the given recipe ratio?

• 2.5 cups

• 2.4 cups

• 2.2 cups

• 2 cups