SSAT Elementary Level Math : How to subtract

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

varsity tutors app store varsity tutors android store

Example Questions

Example Question #468 : Ssat Elementary Level Quantitative (Math)

\(\displaystyle \frac{\begin{array}[b]{r}20\\ -\ 13\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 9\)

\(\displaystyle 6\)

\(\displaystyle 7\)

\(\displaystyle 8\)

\(\displaystyle 5\)

Correct answer:

\(\displaystyle 7\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 20\) and count back \(\displaystyle 13\).

\(\displaystyle 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7\)

\(\displaystyle \frac{\begin{array}[b]{r}20\\ -\ 13\end{array}}{ \ \ \ \ \ \space 7}\)

Example Question #469 : Ssat Elementary Level Quantitative (Math)

\(\displaystyle \frac{\begin{array}[b]{r}18\\ -\ 17\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 1\)

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 0\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 18\) and count back \(\displaystyle 17\).

\(\displaystyle 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1\)

\(\displaystyle \frac{\begin{array}[b]{r}18\\ -\ 17\end{array}}{ \ \ \ \ \ \space 1}\)

Example Question #163 : Operations & Algebraic Thinking

\(\displaystyle \frac{\begin{array}[b]{r}17\\ -\ 11\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 7\)

\(\displaystyle 8\)

\(\displaystyle 9\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 6\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 17\) and count back \(\displaystyle 11\).

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

\(\displaystyle \frac{\begin{array}[b]{r}17\\ -\ 11\end{array}}{ \ \ \ \ \space 6}\)

Example Question #251 : How To Subtract

\(\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 7\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 8\)

\(\displaystyle 5\)

\(\displaystyle 9\)

\(\displaystyle 7\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 9\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 16\) and count back \(\displaystyle 7\).

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

\(\displaystyle \frac{\begin{array}[b]{r}16\\ -\ 7\end{array}}{ \ \ \ \space 9}\)

Example Question #252 : How To Subtract

\(\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 1\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 13\)

\(\displaystyle 11\)

\(\displaystyle 16\)

\(\displaystyle 12\)

\(\displaystyle 14\)

Correct answer:

\(\displaystyle 14\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 15\) and count back \(\displaystyle 1\).

\(\displaystyle 15,14\)

\(\displaystyle \frac{\begin{array}[b]{r}15\\ -\ 1\end{array}}{ \ \ \space 14}\)

Example Question #471 : Ssat Elementary Level Quantitative (Math)

\(\displaystyle \frac{\begin{array}[b]{r}14\\ -\ 8\end{array}}{ \ \ \ \space ?}\)

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 6\)

\(\displaystyle 3\)

\(\displaystyle 4\)

\(\displaystyle 7\)

Correct answer:

\(\displaystyle 6\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 14\) and count back \(\displaystyle 8\).

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

\(\displaystyle \frac{\begin{array}[b]{r}14\\ -\ 8\end{array}}{ \ \ \ \space 6}\)

Example Question #254 : How To Subtract

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

Possible Answers:

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 1\)

\(\displaystyle 0\)

Correct answer:

\(\displaystyle 0\)

Explanation:

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

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

\(\displaystyle \frac{\begin{array}[b]{r}13\\ -\ 13\end{array}}{ \ \ \ \ \ \space 0}\)

Example Question #471 : Ssat Elementary Level Quantitative (Math)

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

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 6\)

\(\displaystyle 5\)

\(\displaystyle 3\)

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 #472 : Ssat Elementary Level Quantitative (Math)

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

Possible Answers:

\(\displaystyle 2\)

\(\displaystyle 4\)

\(\displaystyle 5\)

\(\displaystyle 1\)

\(\displaystyle 3\)

Correct answer:

\(\displaystyle 2\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 11\) and count back \(\displaystyle 9\).

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

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

Example Question #473 : Ssat Elementary Level Quantitative (Math)

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

Possible Answers:

\(\displaystyle 1\)

\(\displaystyle 3\)

\(\displaystyle 2\)

\(\displaystyle 5\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 1\)

Explanation:

To subtract we can count backwards. Start at \(\displaystyle 8\) and count back \(\displaystyle 7\).

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

\(\displaystyle \frac{\begin{array}[b]{r}8\\ -\ 7\end{array}}{ \ \ \ \space 1}\)

Learning Tools by Varsity Tutors