Fractions and Ratios in Context

This video tutorial covers fractional lengths, including converting inches to centimeters, determining the fraction of an inch in a centimeter, and comparing heights using fractions. It also explores practical applications like tiling a bathroom floor and calculating the daily value of iron in oatmeal. The tutorial uses diagrams to explain fractions and concludes with determining groups of four-fifths in two.

If one inch is approximately 2.55 centimeters, how many centimeters are there in three inches?

• 8.15 cm

• 7.55 cm

• 7.65 cm

• 6.85 cm

What fraction of an inch does one centimeter represent?

• 30/51

• 25/51

• 15/51

• 20/51

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

• 1.5 times

• 2 times

• 1.25 times

• 1.75 times

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

• 1/3

• 1/2

• 2/3

• 3/4

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

• 5 tiles

• 8 tiles

• 7 tiles

• 6 tiles

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

• 4 tiles

• 3 and 1/3 tiles

• 5 tiles

• 4 and 1/3 tiles

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

• 2/15

• 3/20

• 1/10

• 1/5

What fraction of one-half is one-third?

• 2/3

• 1/3

• 1/2

• 3/4

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

• 2 groups

• 2.5 groups

• 1.5 groups

• 3 groups

What is the simplified form of four out of six?

• 2/3

• 1/2

• 5/6

• 3/4