Common Core: Kindergarten Math : Add and Subtract Within 5: CCSS.Math.Content.K.OA.A.5

Study concepts, example questions & explanations for Common Core: Kindergarten Math

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Example Questions

Example Question #1 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 3\end{array}}{ \ \ \ \space?}

Possible Answers:

\displaystyle 2

\displaystyle 0

\displaystyle 1

Correct answer:

\displaystyle 2

Explanation:

To subtract we can count backwards. Start at \displaystyle 5 and count back \displaystyle 3.

\displaystyle 5, 4, 3, 2

\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 3\end{array}}{ \ \ \ \space2}

Example Question #2 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 1\end{array}}{ \ \ \ \space?}

Possible Answers:

\displaystyle 6

\displaystyle 3

\displaystyle 5

Correct answer:

\displaystyle 3

Explanation:

To subtract we can count backwards. Start at \displaystyle 4 and count back \displaystyle 1.

\displaystyle 4, 3

\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 1\end{array}}{ \ \ \ \space3}

Example Question #3 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 2\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 4

\displaystyle 2

\displaystyle 3

Correct answer:

\displaystyle 3

Explanation:

To subtract we can count backwards. Start at \displaystyle 5 and count back \displaystyle 2.

\displaystyle 5, 4, 3

\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 2\end{array}}{ \ \ \ \space 3}

Example Question #4 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 2\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 3

\displaystyle 1

\displaystyle 2

Correct answer:

\displaystyle 1

Explanation:

To subtract we can count backwards. Start at \displaystyle 3 and count back \displaystyle 2.

\displaystyle 3, 2, 1

\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 2\end{array}}{ \ \ \ \space 1}

Example Question #5 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}2\\ -\ 2\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 1

\displaystyle 2

\displaystyle 0

Correct answer:

\displaystyle 0

Explanation:

To subtract we can count backwards. Start at \displaystyle 2 and count back \displaystyle 2.

\displaystyle 2, 1, 0

\displaystyle \frac{\begin{array}[b]{r}2\\ -\ 2\end{array}}{ \ \ \ \space 0}

Example Question #6 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 3\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 1

\displaystyle 2

\displaystyle 0

Correct answer:

\displaystyle 1

Explanation:

To subtract we can count backwards. Start at \displaystyle 4 and count back \displaystyle 3.

\displaystyle 4, 3, 2, 1,

\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 3\end{array}}{ \ \ \ \space 1}

Example Question #7 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 4\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 3

\displaystyle 1

\displaystyle 2

Correct answer:

\displaystyle 1

Explanation:

To subtract we can count backwards. Start at \displaystyle 5 and count back \displaystyle 4.

\displaystyle 5, 4, 3, 2, 1

\displaystyle \frac{\begin{array}[b]{r}5\\ -\ 4\end{array}}{ \ \ \ \space 1}

Example Question #8 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 2\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 3

\displaystyle 1

\displaystyle 2

Correct answer:

\displaystyle 2

Explanation:

To subtract we can count backwards. Start at \displaystyle 4 and count back \displaystyle 2.

\displaystyle 4, 3, 2

\displaystyle \frac{\begin{array}[b]{r}4\\ -\ 2\end{array}}{ \ \ \ \space 2}

Example Question #9 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 3\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 0

\displaystyle 2

\displaystyle 1

Correct answer:

\displaystyle 0

Explanation:

To subtract we can count backwards. Start at \displaystyle 3 and count back \displaystyle 3.

\displaystyle 3,2,1,0

\displaystyle \frac{\begin{array}[b]{r}3\\ -\ 3\end{array}}{ \ \ \ \space 0}

Example Question #10 : Add And Subtract Within 5: Ccss.Math.Content.K.Oa.A.5

\displaystyle \frac{\begin{array}[b]{r}1\\ -\ 1\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 0

\displaystyle 2

\displaystyle 1

Correct answer:

\displaystyle 0

Explanation:

To subtract we can count backwards. Start at \displaystyle 1 and count back \displaystyle 1.

\displaystyle 1,0

\displaystyle \frac{\begin{array}[b]{r}1\\ -\ 1\end{array}}{ \ \ \ \space 0}

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