SSAT Elementary Level Math : Operations

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

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Example Questions

Example Question #91 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}12\\ -\ 2\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 13\)

\(\displaystyle 11\)

\(\displaystyle 14\)

\(\displaystyle 12\)

\(\displaystyle 10\)

Correct answer:

\(\displaystyle 10\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 12\) and count back \(\displaystyle 2\).

\(\displaystyle 12,11,10\)

\(\displaystyle \frac{\begin{array}[b]{r}12\\ -\ 2\end{array}}{ \ \ \space 10}\)

Example Question #221 : Common Core Math: Grade 1

\(\displaystyle \frac{\begin{array}[b]{r}19\\ -\ 13\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 9\)

\(\displaystyle 10\)

\(\displaystyle 8\)

\(\displaystyle 6\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 6\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 19\) and count back \(\displaystyle 13\).

\(\displaystyle 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6\)

\(\displaystyle \frac{\begin{array}[b]{r}19\\ -\ 13\end{array}}{ \ \ \ \ \space 6}\)

Example Question #671 : How To Subtract

\(\displaystyle \frac{\begin{array}[b]{r}18\\ -\ 10\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 4\)

\(\displaystyle 5\)

\(\displaystyle 6\)

\(\displaystyle 7\)

\(\displaystyle 8\)

Correct answer:

\(\displaystyle 8\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 18\) and count back \(\displaystyle 10\).

\(\displaystyle 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8\)

 \(\displaystyle \frac{\begin{array}[b]{r}18\\ -\ 10\end{array}}{ \ \ \ \ \space 8}\)

Example Question #672 : How To Subtract

\(\displaystyle \frac{\begin{array}[b]{r}17\\ -\ 1\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 13\)

\(\displaystyle 15\)

\(\displaystyle 14\)

\(\displaystyle 16\)

\(\displaystyle 17\)

Correct answer:

\(\displaystyle 16\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 17\) and count back \(\displaystyle 1\).

\(\displaystyle 17,16\)

\(\displaystyle \frac{\begin{array}[b]{r}17\\ -\ 1\end{array}}{ \ \ \space 16}\)

Example Question #121 : Adding And Subtracting Within 20

\(\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 13\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 3\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 3\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 16\) and count back \(\displaystyle 13\).

\(\displaystyle 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3\)

\(\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 13\end{array}}{ \ \ \ \ \ \space 3}\)

Example Question #221 : Common Core Math: Grade 1

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

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 4\)

\(\displaystyle 0\)

\(\displaystyle 1\)

\(\displaystyle 2\)

Correct answer:

\(\displaystyle 0\)

Explanation:

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

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

\(\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 15\end{array}}{ \ \ \ \ \space 0}\)

Example Question #675 : How To Subtract

\(\displaystyle \frac{\begin{array}[b]{r}13\\ -\ 11\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 3\)

\(\displaystyle 1\)

Correct answer:

\(\displaystyle 2\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 13\) and count back \(\displaystyle 11\).

\(\displaystyle 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2\)

\(\displaystyle \frac{\begin{array}[b]{r}13\\ -\ 11\end{array}}{ \ \ \ \ \space 2}\)

Example Question #671 : How To Subtract

\(\displaystyle \frac{\begin{array}[b]{r}12\\ -\ 4\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 8\)

\(\displaystyle 7\)

\(\displaystyle 10\)

\(\displaystyle 9\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 8\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 12\) and count back \(\displaystyle 4\).

\(\displaystyle 12, 11, 10, 9, 8\)

\(\displaystyle \frac{\begin{array}[b]{r}12\\ -\ 4\end{array}}{ \ \ \ \space 8}\)

Example Question #671 : Operations

\(\displaystyle \frac{\begin{array}[b]{r}11\\ -\ 2\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 6\)

\(\displaystyle 5\)

\(\displaystyle 8\)

\(\displaystyle 9\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 9\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 11\) and count back \(\displaystyle 2\).

\(\displaystyle 11,10,9\)

\(\displaystyle \frac{\begin{array}[b]{r}11\\ -\ 2\end{array}}{ \ \ \ \space 9}\)

Example Question #101 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}10\\ -\ 9\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 1\)

\(\displaystyle 0\)

\(\displaystyle 2\)

\(\displaystyle 3\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 10\) and count back \(\displaystyle 9\).

\(\displaystyle 10, 9, 8, 7, 6, 5, 4, 3, 2, 1\)

\(\displaystyle \frac{\begin{array}[b]{r}10\\ -\ 9\end{array}}{ \ \ \ \space 1}\)

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