Common Core: 2nd Grade Math : Solve Word Problems Involving Money: CCSS.Math.Content.2.MD.C.8

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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Example Questions

Example Question #441 : Operations

If I have \displaystyle 1 dollar bill, \displaystyle 5 pennies, and \displaystyle 3 quarters, how much money do I have? 

 

 

Possible Answers:

\displaystyle \$1.80

\displaystyle \$1.90

\displaystyle \$1.85

\displaystyle \$1.08

\displaystyle \$1.40

Correct answer:

\displaystyle \$1.80

Explanation:

Each dollar bill is worth \displaystyle \$1, each penny is worth \displaystyle 1\cent and each quarter is worth \displaystyle 25\cent.

We have \displaystyle 1 dollar bill, \displaystyle 5 pennies, and \displaystyle 3 quarters.

\displaystyle \$1   \displaystyle \frac{\begin{array}[b]{r}1\cent\\ 1\cent\\1\cent\\1\cent\\+\ 1\cent\end{array}}{ \ \ \ \space 5\cent}   \displaystyle \frac{\begin{array}[b]{r}25\cent\\25\cent\\ +\ 25\cent\end{array}}{ \ \ \ \space 75\cent}

When we add dollars and cents, we add dollars to dollars and cents to cents. 

\displaystyle \frac{\begin{array}[b]{r}5\cent\\ +\ 75\cent\end{array}}{ \ \ \ \space 80\cent} 

We have \displaystyle \$1 and \displaystyle 80\cent which is written as \displaystyle \$1.80

Example Question #22 : Solve Word Problems Involving Money: Ccss.Math.Content.2.Md.C.8

If I have \displaystyle 3 dollar bills, \displaystyle 2 nickels, and \displaystyle 3 dimes, how much money do I have? 

 

 

Possible Answers:

\displaystyle \$3.25

\displaystyle \$3.45

\displaystyle \$3.35

\displaystyle \$3.30

\displaystyle \$3.40

Correct answer:

\displaystyle \$3.40

Explanation:

Each dollar bill is worth \displaystyle \$1, each nickel is worth \displaystyle 5\cent and each dime is worth \displaystyle 10\cent.

We have \displaystyle 3 dollar bills, \displaystyle 2 nickels, and \displaystyle 3 dimes.

\displaystyle \frac{\begin{array}[b]{r}\$1\\ \ \$1\\ +\$1\end{array}}{ \ \ \space\$3}   \displaystyle \frac{\begin{array}[b]{r}5\cent\\ +\ 5\cent\end{array}}{ \ \ \space 10\cent}   \displaystyle \frac{\begin{array}[b]{r}10\cent\\10\cent\\ +\ 10\cent\end{array}}{ \ \ \ \space 30\cent}

When we add dollars and cents, we add dollars to dollars and cents to cents. 

\displaystyle \frac{\begin{array}[b]{r}10\cent\\ +\ 30\cent\end{array}}{ \ \ \ \space 40\cent} 

We have \displaystyle \$3 and \displaystyle 40\cent which is written as \displaystyle \$3.40

Example Question #311 : Measurement & Data

If I have \displaystyle 1 dollar bill, \displaystyle 4 nickels, and \displaystyle 5 dimes, how much money do I have? 

 

 

Possible Answers:

\displaystyle \$1.72

\displaystyle \$1.43

\displaystyle \$1.45

\displaystyle \$1.70

\displaystyle \$1.77

Correct answer:

\displaystyle \$1.70

Explanation:

Each dollar bill is worth \displaystyle \$1, each nickel is worth \displaystyle 5\cent and each dime is worth \displaystyle 10\cent.

We have  \displaystyle 1 dollar bill, \displaystyle 4 nickels, and \displaystyle 5 dimes.

\displaystyle \$1   \displaystyle \frac{\begin{array}[b]{r}5\cent\\5\cent\\5\cent\\ +\ 5\cent\end{array}}{ \ \ \space 20\cent}   \displaystyle \frac{\begin{array}[b]{r}10\cent\\10\cent\\10\cent\\10\cent\\ +\ 10\cent\end{array}}{ \ \ \ \ \space 50\cent}

When we add dollars and cents, we add dollars to dollars and cents to cents. 

\displaystyle \frac{\begin{array}[b]{r}20\cent\\ +\ 50\cent\end{array}}{ \ \ \space 70\cent} 

We have \displaystyle \$1 and \displaystyle 70\cent which is written as \displaystyle \$1.70

Example Question #2542 : Numbers And Operations

If I have \displaystyle 3 quarters and \displaystyle 5 pennies, how many cents do I have? 

Possible Answers:

\displaystyle 75\cent

\displaystyle 85\cent

\displaystyle 70\cent

\displaystyle 80\cent

\displaystyle 65\cent

Correct answer:

\displaystyle 80\cent

Explanation:

Each quarter is worth \displaystyle 25\cent and each penny is worth \displaystyle 1\cent.

We have three quarters and five pennies. 

\displaystyle \frac{\begin{array}[b]{r}25\cent\\ 25\cent\\ +\ 25\cent\end{array}}{ \ \ \ \space 75\cent}    \displaystyle \frac{\begin{array}[b]{r}1\cent\\ \ 1\cent\\ 1\cent\\ \ 1\cent\\ +\ 1\cent\end{array}}{ \ \ \ \space 5\cent}

\displaystyle \frac{\begin{array}[b]{r}75\cent\\ +\ 5\cent\end{array}}{ \ \ \space 80\cent}

Example Question #451 : Isee Lower Level (Grades 5 6) Quantitative Reasoning

If I have \displaystyle 5 dimes and \displaystyle 1 nickel, how much money do I have? 

Possible Answers:

\displaystyle 65\cent

\displaystyle 60\cent

\displaystyle 78\cent

\displaystyle 55\cent

\displaystyle 62\cent

Correct answer:

\displaystyle 55\cent

Explanation:

Each dime is worth \displaystyle 10\cent and each nickel is worth \displaystyle 5\cent.

We have five dimes and one nickel. 

\displaystyle \frac{\begin{array}[b]{r}10\cent\\ \ 10\cent\\ 10\cent\\ 10\cent\\ +\ 10\cent\end{array}}{ \ \ \ \space 50\cent} \displaystyle 5\cent

\displaystyle \frac{\begin{array}[b]{r}50\cent\\ +\ 5\cent\end{array}}{ \ \ \space 55\cent}

Example Question #452 : Isee Lower Level (Grades 5 6) Quantitative Reasoning

If I have \displaystyle 3 quarters and \displaystyle 2 pennies, how many cents do I have? 

Possible Answers:

\displaystyle 74\cent

\displaystyle 68\cent

\displaystyle 77\cent

\displaystyle 65\cent

\displaystyle 79\cent

Correct answer:

\displaystyle 77\cent

Explanation:

Each quarter is worth \displaystyle 25\cent and each penny is worth \displaystyle 1\cent.

We have three quarters and two pennies. 

\displaystyle \frac{\begin{array}[b]{r}25\cent\\ 25\cent\\ +\ 25\cent\end{array}}{ \ \ \ \space 75\cent} \displaystyle \frac{\begin{array}[b]{r}1\cent\\ +\ 1\cent\end{array}}{ \ \ \ \space 2\cent}

\displaystyle \frac{\begin{array}[b]{r}75\cent\\ +\ 2\cent\end{array}}{ \ \ \space 77\cent}

Example Question #2543 : Numbers And Operations

If I have \displaystyle 5 nickels and \displaystyle 3 dimes, how many cents do I have? 

Possible Answers:

\displaystyle 53\cent

\displaystyle 55\cent

\displaystyle 80\cent

\displaystyle 63\cent

\displaystyle 74\cent

Correct answer:

\displaystyle 55\cent

Explanation:

Each nickel is worth \displaystyle 5\cent and each dime is worth \displaystyle 10\cent.

We have five nickels and three dimes. 

\displaystyle \frac{\begin{array}[b]{r}5\cent\\ 5\cent\\ \ 5\cent\\5\cent\\ +\ 5\cent\end{array}}{ \ \ \ \space 25\cent} \displaystyle \frac{\begin{array}[b]{r}10\cent\\ \ 10\cent\\ +\ 10\cent\end{array}}{ \ \ \ \space 30\cent}

\displaystyle \frac{\begin{array}[b]{r}25\cent\\ +\ 30\cent\end{array}}{ \ \ \ \space 55\cent}

Example Question #454 : Isee Lower Level (Grades 5 6) Quantitative Reasoning

If I have \displaystyle 1 quarter and \displaystyle 3 pennies, how many cents do I have? 

Possible Answers:

\displaystyle 22\cent

\displaystyle 38\cent

\displaystyle 30\cent

\displaystyle 25\cent

\displaystyle 28\cent

Correct answer:

\displaystyle 28\cent

Explanation:

Each quarter is worth \displaystyle 25\cent and each penny is worth \displaystyle 1\cent.

We have one quarters and three pennies. 

\displaystyle 25\cent \displaystyle \frac{\begin{array}[b]{r}1\cent\\ \ 1\cent\\ +\ 1\cent\end{array}}{ \ \ \ \space 3\cent}

\displaystyle \frac{\begin{array}[b]{r}25\cent\\ +\ 3\cent\end{array}}{ \ \ \space 28\cent}

Example Question #2541 : Numbers And Operations

If I have \displaystyle 3 dimes and \displaystyle 2 nickels, how many cents do I have? 

Possible Answers:

\displaystyle 10\cent

\displaystyle 20\cent

\displaystyle 40\cent

\displaystyle 5\cent

\displaystyle 30\cent

Correct answer:

\displaystyle 40\cent

Explanation:

Each dime is worth \displaystyle 10\cent and each nickel is worth \displaystyle 5\cent.

We have three dimes and two nickels. 

\displaystyle \frac{\begin{array}[b]{r}10\cent\\10\cent\\ +\ 10\cent\end{array}}{ \ \ \ \space 30\cent} \displaystyle \frac{\begin{array}[b]{r}5\cent\\ +\ 5\cent\end{array}}{ \ \ \space 10\cent}

\displaystyle \frac{\begin{array}[b]{r}30\cent\\ +\ 10\cent\end{array}}{ \ \ \ \space 40\cent}

Example Question #22 : Solve Word Problems Involving Money: Ccss.Math.Content.2.Md.C.8

If I have \displaystyle 7 pennies and \displaystyle 4 nickels, how many cents do I have?

Possible Answers:

\displaystyle 37\cent

\displaystyle 32\cent

\displaystyle 27\cent

\displaystyle 35\cent

\displaystyle 29\cent

Correct answer:

\displaystyle 27\cent

Explanation:

Each penny is worth \displaystyle 1\cent and each nickel is worth \displaystyle 5\cent.

We have seven pennies and four nickels. 

\displaystyle \frac{\begin{array}[b]{r}1\cent\\1\cent\\ 1\cent\\ 1\cent\\ \ 1\cent\\ 1\cent\\ +\ 1\cent\end{array}}{ \ \ \ \space 7\cent} \displaystyle \frac{\begin{array}[b]{r}5\cent\\ \ 5\cent\\ 5\cent\\ +\ 5\cent\end{array}}{ \ \ \space 20\cent}

\displaystyle \frac{\begin{array}[b]{r}7\cent\\ +\ 20\cent\end{array}}{ \ \ \ \space 27\cent}

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