Common Core: 4th Grade Math : Represent and interpret data

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

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Example Questions

Example Question #11 : Represent And Interpret Data

Use the line plot to answer the question. 

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Three students read \(\displaystyle 1\) hour and \(\displaystyle 2\frac{1}{4}\). What are these times added together? 

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 3\frac{1}{4}\)

\(\displaystyle 3\)

\(\displaystyle 2\frac{1}{4}\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 3\frac{1}{4}\)

Explanation:

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

\(\displaystyle 1+2=3\)

\(\displaystyle 0+\frac{1}{4}=\frac{1}{4}\)

Example Question #12 : Represent And Interpret Data

The line chart shows how many hours each student in a class spends reading each week. How many hours, on average, do the least number of students spend reading each week?

 Readinghours

Possible Answers:

\(\displaystyle 1\frac{1}{2}\)

\(\displaystyle 1\frac{1}{4}\)

\(\displaystyle 1\)

\(\displaystyle 1\frac{3}{4}\)

Correct answer:

\(\displaystyle 1\frac{1}{4}\)

Explanation:

There is only \(\displaystyle 1\) x mark above \(\displaystyle 1\frac{1}{4}\), which is the least in our data set. 

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