SSAT Elementary Level Math : How to subtract

Study concepts, example questions & explanations for SSAT Elementary Level Math

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Example Questions

Example Question #211 : Operations

\displaystyle \frac{\begin{array}[b]{r}10\\ -\ 6\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 3

\displaystyle 2

\displaystyle 4

\displaystyle 6

\displaystyle 5

Correct answer:

\displaystyle 4

Explanation:

To subtract we can count backwards. Start at \displaystyle 10 and count back \displaystyle 6.

\displaystyle 10, 9, 8, 7, 6, 5, 4

\displaystyle \frac{\begin{array}[b]{r}10\\ -\ 6\end{array}}{ \ \ \ \space 4}

Example Question #421 : Numbers And Operations

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

Possible Answers:

\displaystyle 0

\displaystyle 3

\displaystyle 1

\displaystyle 4

\displaystyle 2

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}

Example Question #121 : Operations & Algebraic Thinking

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

Possible Answers:

\displaystyle 1

\displaystyle 2

\displaystyle 6

\displaystyle 4

\displaystyle 5

Correct answer:

\displaystyle 2

Explanation:

To subtract we can count backwards. Start at \displaystyle 3 and count back \displaystyle 1.

\displaystyle 3,2

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

Example Question #131 : Operations & Algebraic Thinking

\displaystyle \frac{\begin{array}[b]{r}6\\ -\ 3\end{array}}{ \ \ \ \space ?}

Possible Answers:

\displaystyle 6

\displaystyle 9

\displaystyle 5

\displaystyle 3

\displaystyle 4

Correct answer:

\displaystyle 3

Explanation:

To subtract we can count backwards. Start at \displaystyle 6 and count back \displaystyle 3.

\displaystyle 6,5,4,3

\displaystyle \frac{\begin{array}[b]{r}6\\ -\ 3\end{array}}{ \ \ \ \space 3}

Example Question #1781 : Common Core Math: Grade 2

\displaystyle \frac{\begin{array}[b]{r}20\\ -\ 11\end{array}}{ \ \ \ \ \ \space ?}

Possible Answers:

\displaystyle 8

\displaystyle 10

\displaystyle 7

\displaystyle 6

\displaystyle 9

Correct answer:

\displaystyle 9

Explanation:

To subtract we can count backwards. Start at \displaystyle 20 and count back \displaystyle 11.

\displaystyle 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9

\displaystyle \frac{\begin{array}[b]{r}20\\ -\ 11\end{array}}{ \ \ \ \ \ \space 9}

Example Question #1782 : Common Core Math: Grade 2

\displaystyle \frac{\begin{array}[b]{r}19\\ -\ 12\end{array}}{ \ \ \ \ \ \space ?}

Possible Answers:

\displaystyle 7

\displaystyle 4

\displaystyle 6

\displaystyle 3

\displaystyle 5

Correct answer:

\displaystyle 7

Explanation:

To subtract we can count backwards. Start at \displaystyle 19 and count back \displaystyle 12.

\displaystyle 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7

\displaystyle \frac{\begin{array}[b]{r}19\\ -\ 12\end{array}}{ \ \ \ \ \ \space 7}

Example Question #1783 : Common Core Math: Grade 2

\displaystyle \frac{\begin{array}[b]{r}18\\ -\ 16\end{array}}{ \ \ \ \ \ \space ?}

Possible Answers:

\displaystyle 5

\displaystyle 6

\displaystyle 2

\displaystyle 3

\displaystyle 4

Correct answer:

\displaystyle 2

Explanation:

To subtract we can count backwards. Start at \displaystyle 18 and count back \displaystyle 16.

\displaystyle 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2

\displaystyle \frac{\begin{array}[b]{r}18\\ -\ 16\end{array}}{ \ \ \ \ \ \space 2}

Example Question #211 : How To Subtract

\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 16\end{array}}{ \ \ \ \ \ \space ?}

Possible Answers:

\displaystyle 0

\displaystyle 3

\displaystyle 1

\displaystyle 2

\displaystyle 4

Correct answer:

\displaystyle 0

Explanation:

To subtract we can count backwards. Start at \displaystyle 16 and count back \displaystyle 16.

\displaystyle 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0

\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 16\end{array}}{ \ \ \ \ \ \space 0}

Example Question #212 : How To Subtract

\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 9\end{array}}{ \ \ \ \ \ \space ?}

Possible Answers:

\displaystyle 6

\displaystyle 8

\displaystyle 7

\displaystyle 4

\displaystyle 5

Correct answer:

\displaystyle 6

Explanation:

To subtract we can count backwards. Start at \displaystyle 15 and count back \displaystyle 9.

\displaystyle 15, 14, 13, 12, 11, 10, 9, 8, 7, 6

\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 9\end{array}}{ \ \ \ \ \space 6}

Example Question #213 : How To Subtract

\displaystyle \frac{\begin{array}[b]{r}14\\ -\ 13\end{array}}{ \ \ \ \ \ \space ?}

Possible Answers:

\displaystyle 1

\displaystyle 0

\displaystyle 3

\displaystyle 2

\displaystyle 4

Correct answer:

\displaystyle 1

Explanation:

To subtract we can count backwards. Start at \displaystyle 14 and count back \displaystyle 13.

\displaystyle 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1

\displaystyle \frac{\begin{array}[b]{r}14\\ -\ 13\end{array}}{ \ \ \ \ \ \space 1}

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