SSAT Elementary Level Math : Operations

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

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Example Questions

Example Question #151 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}6\\ -\ 2\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 6\)

\(\displaystyle 2\)

\(\displaystyle 3\)

\(\displaystyle 5\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 4\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 6\) and count back \(\displaystyle 2\).

\(\displaystyle 6,5,4\)

\(\displaystyle \frac{\begin{array}[b]{r}6\\ -\ 2\end{array}}{ \ \ \ \space 4}\)

Example Question #281 : Operations & Algebraic Thinking

\(\displaystyle \frac{\begin{array}[b]{r}7\\ -\ 6\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 1\)

\(\displaystyle 3\)

\(\displaystyle 5\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 7\) and count back \(\displaystyle 6\).

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

\(\displaystyle \frac{\begin{array}[b]{r}7\\ -\ 6\end{array}}{ \ \ \ \space 1}\)

Example Question #161 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}6\\ -\ 1\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 1\)

\(\displaystyle 5\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 5\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 6\) and count back \(\displaystyle 1\).

\(\displaystyle 6,5\)

\(\displaystyle \frac{\begin{array}[b]{r}6\\ -\ 1\end{array}}{ \ \ \ \space 5}\)

Example Question #181 : Adding And Subtracting Within 20

\(\displaystyle \frac{\begin{array}[b]{r}10\\ -\ 7\end{array}}{ \ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 5\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 3\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 10\) and count back \(\displaystyle 7\).

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

\(\displaystyle \frac{\begin{array}[b]{r}10\\ -\ 7\end{array}}{ \ \ \ \space 3}\)

Example Question #162 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}12\\ -\ 9\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 0\)

\(\displaystyle 1\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 3\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 12\) and count back \(\displaystyle 9\).

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

\(\displaystyle \frac{\begin{array}[b]{r}12\\ -\ 9\end{array}}{ \ \ \ \space 3}\)

Example Question #281 : Operations & Algebraic Thinking

\(\displaystyle \frac{\begin{array}[b]{r}13\\ -\ 4\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 13\)

\(\displaystyle 11\)

\(\displaystyle 9\)

\(\displaystyle 10\)

\(\displaystyle 12\)

Correct answer:

\(\displaystyle 9\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 13\) and count back \(\displaystyle 4\).

\(\displaystyle 13, 12, 11, 10, 9\)

\(\displaystyle \frac{\begin{array}[b]{r}13\\ -\ 4\end{array}}{ \ \ \ \space 9}\)

Example Question #161 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}14\\ -\ 2\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 12\)

\(\displaystyle 10\)

\(\displaystyle 14\)

\(\displaystyle 11\)

\(\displaystyle 13\)

Correct answer:

\(\displaystyle 12\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 14\) and count back \(\displaystyle 2\).

\(\displaystyle 14,13,12\)

\(\displaystyle \frac{\begin{array}[b]{r}14\\ -\ 2\end{array}}{ \ \ \space 12}\)

Example Question #161 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

\(\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 8\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle 10\)

\(\displaystyle 8\)

\(\displaystyle 9\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 7\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 15\) and count back \(\displaystyle 8\).

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

\(\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 8\end{array}}{ \ \ \ \space 7}\)

Example Question #281 : Operations & Algebraic Thinking

\(\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 12\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 1\)

\(\displaystyle 5\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 4\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 16\) and count back \(\displaystyle 12\).

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

\(\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 12\end{array}}{ \ \ \ \ \ \space 4}\)

Example Question #191 : Adding And Subtracting Within 20

\(\displaystyle \frac{\begin{array}[b]{r}17\\ -\ 10\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 11\)

\(\displaystyle 8\)

\(\displaystyle 10\)

\(\displaystyle 9\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 7\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 17\) and count back \(\displaystyle 10\).

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

\(\displaystyle \frac{\begin{array}[b]{r}17\\ -\ 10\end{array}}{ \ \ \ \ \ \space 7}\)

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