Common Core: 4th Grade Math : Show Fractional Data on a Line Plot and Solve Problems by Using Line Plots : CCSS.Math.Content.4.MD.B.4

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

Example Question #1 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

How many hours do most students spend reading? 

Possible Answers:

\displaystyle 2\frac{1}{2}

\displaystyle 1\frac{1}{4}

\displaystyle 2

\displaystyle 3

\displaystyle 1

Correct answer:

\displaystyle 2\frac{1}{2}

Explanation:

There are \displaystyle 5 x marks above \displaystyle 2\frac{1}{2}, which is the most marks above our data set numbers. 

Example Question #88 : Measurement & Data

Use the line plot to answer the question. 

45

What is the difference between the longest time spent reading and the shortest time spent reading? 

Possible Answers:

\displaystyle 2\frac{1}{2}

\displaystyle 3

\displaystyle 1

\displaystyle 2

\displaystyle 1\frac{2}{3}

Correct answer:

\displaystyle 2

Explanation:

The shortest time spent reading is \displaystyle 1 hour, and the longest time spent reading is \displaystyle 3 hours. We can subtract to find the difference. 

\displaystyle 3-1=2

Example Question #3 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

One student spends \displaystyle 1\frac{1}{4} hours reading and three students spend \displaystyle 2\frac{1}{4} hours reading. What is the difference in time spent reading? 

Possible Answers:

\displaystyle 2

\displaystyle 1

\displaystyle 1\frac{1}{2}

\displaystyle 3\frac{2}{4}

\displaystyle 1\frac{1}{4}

Correct answer:

\displaystyle 1

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 2-1=1

\displaystyle \frac{1}{4}-\frac{1}{4}=0

Example Question #1 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Three students spend \displaystyle 2\frac{1}{4} hours reading and five students spend \displaystyle 2\frac{1}{2} hours reading. What is the difference in time spent reading? 

 

 
Possible Answers:

\displaystyle 1\frac{2}{4}

\displaystyle \frac{1}{4}

\displaystyle \frac{3}{4}

\displaystyle \frac{2}{4}

\displaystyle 1\frac{1}{4}

Correct answer:

\displaystyle \frac{1}{4}

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 2-2=0

\displaystyle \frac{1}{2}-\frac{1}{4} in order to subtract fractions we need to make common denominators. 

\displaystyle \frac{1}{2}\times\frac{2}{2}=\frac{2}{4}

\displaystyle \frac{2}{4}-\frac{1}{4}=\frac{1}{4}

Example Question #5 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Two students spend \displaystyle 1\frac{1}{2} hours reading and four students spend \displaystyle 1\frac{3}{4} hours reading. What is the difference in time spent reading? 

 

Possible Answers:

\displaystyle \frac{1}{4}

\displaystyle \frac{1}{2}

\displaystyle 1\frac{3}{4}

\displaystyle \frac{1}{3}

\displaystyle 1\frac{1}{3}

Correct answer:

\displaystyle \frac{1}{4}

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 1-1=0

\displaystyle \frac{3}{4}-\frac{1}{2} in order to subtract fractions we need to make common denominators. 

\displaystyle \frac{1}{2}\times\frac{2}{2}=\frac{2}{4}

\displaystyle \frac{3}{4}-\frac{2}{4}=\frac{1}{4}

Example Question #6 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Two students spend \displaystyle 2\frac{3}{4} hours reading and three students spend \displaystyle 2\frac{1}{4} hours reading. What is the difference in time spent reading? 

Possible Answers:

\displaystyle \frac{1}{4}

\displaystyle \frac{2}{4}

\displaystyle 2\frac{1}{4}

\displaystyle 1\frac{1}{4}

\displaystyle 3\frac{1}{4}

Correct answer:

\displaystyle \frac{2}{4}

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 2-2=0

\displaystyle \frac{3}{4}-\frac{1}{4}=\frac{2}{4} 

Example Question #7 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Two students spend \displaystyle 1\frac{1}{2} hours reading and three students spend \displaystyle 2\frac{3}{4} hours reading. What is the difference in time spent reading? 

 

 
Possible Answers:

\displaystyle 1\frac{1}{4}

\displaystyle 1\frac{3}{4}

\displaystyle \frac{1}{4}

\displaystyle 1

\displaystyle 1\frac{2}{4}

Correct answer:

\displaystyle 1\frac{1}{4}

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 2-1=1

\displaystyle \frac{3}{4}-\frac{1}{2} in order to subtract fractions we need to make common denominators. 

\displaystyle \frac{1}{2}\times\frac{2}{2}=\frac{2}{4}

\displaystyle \frac{3}{4}-\frac{2}{4}=\frac{1}{4}

Example Question #8 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Four students spend \displaystyle 3 hours reading and one student spends \displaystyle 1\frac{1}{4} hours reading. What is the difference in time spent reading? 

 

Possible Answers:

\displaystyle 1\frac{2}{4}

\displaystyle 2\frac{2}{4}

\displaystyle 1\frac{1}{4}

\displaystyle 2\frac{3}{4}

\displaystyle 2\frac{1}{4}

Correct answer:

\displaystyle 2\frac{1}{4}

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 3-1=2

\displaystyle \frac{1}{4}-0=\frac{1}{4}

Example Question #9 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Two students spend \displaystyle 2\frac{3}{4} hours reading and one student spens \displaystyle 1\frac{1}{4} hours reading. What is the difference in time spent reading? 

 

Possible Answers:

\displaystyle 2

\displaystyle 1\frac{1}{4}

\displaystyle 2\frac{2}{4}

\displaystyle 1\frac{3}{4}

\displaystyle 1\frac{2}{4}

Correct answer:

\displaystyle 1\frac{2}{4}

Explanation:

When we subtract mixed numbers we subtract the whole numbers by the whole numbers and the fractions by the fractions. 

\displaystyle 2-1=1

\displaystyle \frac{3}{4}-\frac{1}{4}=\frac{2}{4} 

Example Question #10 : Show Fractional Data On A Line Plot And Solve Problems By Using Line Plots : Ccss.Math.Content.4.Md.B.4

Use the line plot to answer the question. 

45

Two students read \displaystyle 1\frac{1}{2} hours, \displaystyle 2 hours, and \displaystyle 2\frac{3}{4} hours. What are all of these times added together? 

Possible Answers:

\displaystyle 6\frac{1}{4}

\displaystyle 5

\displaystyle 5\frac{3}{4}

\displaystyle 6

\displaystyle 4

Correct answer:

\displaystyle 6\frac{1}{4}

Explanation:

When we add mixed numbers we add the whole numbers to the whole numbers and the fractions to the fractions. 

\displaystyle 1+2+2=5

\displaystyle \frac{1}{2}+\frac{3}{4}   in order to add fractions we need to make common denominators. 

\displaystyle \frac{1}{2}\times\frac{2}{2}=\frac{2}{4}

\displaystyle \frac{2}{4}-\frac{3}{4}=\frac{5}{4}

\displaystyle \frac{5}{4}=1\frac{1}{4}

\displaystyle 5+1\frac{1}{4}=6\frac{1}{4}

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