This video tutorial covers unit 4 lesson 12 on fractional lengths. It includes converting inches to centimeters, comparing the heights of a zookeeper and a giraffe, calculating the number of tiles needed for a bathroom floor, determining the daily value of iron in oatmeal, and using tape diagrams to understand fractional groups. The lesson emphasizes practical applications of fractions in real-world scenarios.

If 1 inch is approximately 2.11 centimeters, how many centimeters are in 3 inches?

• 6.33 cm

• 9.2 cm

• 7.6 cm

• 8.5 cm

What fraction of an inch is equivalent to 1 centimeter?

• 3/4

• 1/2

• 11/20

• 20/51

How many times taller is the giraffe compared to the zookeeper?

• 2 times

• 1.5 times

• 2.5 times

• 1.25 times

What fraction of the giraffe's height is the zookeeper's height?

• 4/5

• 2/3

• 1/2

• 3/4

How many tiles are needed to cover the length of the bathroom floor?

• 5 tiles

• 6 tiles

• 7 tiles

• 8 tiles

How many tiles are needed to cover the width of the bathroom floor?

• 5 tiles

• 6 tiles

• 3 tiles

• 4.33 tiles

What fraction of the daily recommended value of iron is in one cup of oatmeal?

• 2/15

• 1/10

• 1/5

• 3/20

What fraction of one-half is one-third?

• 1/3

• 2/3

• 1/2

• 3/4

How many groups of four-fifths are there in two?

• 3 groups

• 2.5 groups

• 2 groups

• 1.5 groups

What is the purpose of using a tape diagram in fractional problems?

• To measure lengths accurately

• To convert fractions to decimals

• To visually represent fractions

• To simplify calculations