ISEE Middle Level Quantitative : Operations

Study concepts, example questions & explanations for ISEE Middle Level Quantitative

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Example Questions

Example Question #972 : Common Core Math: Grade 3

\displaystyle \frac{\begin{array}[b]{r}60\\ \times\ 7\end{array}}{ \ \ \ \space}

Possible Answers:

\displaystyle 450

\displaystyle 420

\displaystyle 430

\displaystyle 410

\displaystyle 440

Correct answer:

\displaystyle 420

Explanation:

To solve this problem, we multiply \displaystyle 7 by the ones position and the tens position. 

\displaystyle 7\times0=0

\displaystyle 7\times6=42

\displaystyle \frac{\begin{array}[b]{r}60\\ \times\ 7\end{array}}{ \ \space420}

Example Question #173 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

\displaystyle \frac{\begin{array}[b]{r}70\\ \times\ 8\end{array}}{ \ \ \ \space}

Possible Answers:

\displaystyle 570

\displaystyle 530

\displaystyle 540

\displaystyle 560

\displaystyle 550

Correct answer:

\displaystyle 560

Explanation:

To solve this problem, we multiply \displaystyle 8 by the ones position and the tens position. 

\displaystyle 8\times0=0

\displaystyle 8\times7=56

\displaystyle \frac{\begin{array}[b]{r}70\\ \times\ 8\end{array}}{ \ \space560}

Example Question #3161 : Ssat Elementary Level Quantitative (Math)

\displaystyle \frac{\begin{array}[b]{r}70\\ \times\ 9\end{array}}{ \ \ \ \space}

Possible Answers:

\displaystyle 670

\displaystyle 660

\displaystyle 640

\displaystyle 650

\displaystyle 630

Correct answer:

\displaystyle 630

Explanation:

To solve this problem, we multiply \displaystyle 9 by the ones position and the tens position. 

\displaystyle 9\times0=0

\displaystyle 9\times7=63

\displaystyle \frac{\begin{array}[b]{r}70\\ \times\ 9\end{array}}{ \ \space630}

Example Question #172 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

\displaystyle \frac{\begin{array}[b]{r}80\\ \times\ 9\end{array}}{ \ \ \ \space}

Possible Answers:

\displaystyle 740

\displaystyle 710

\displaystyle 730

\displaystyle 700

\displaystyle 720

Correct answer:

\displaystyle 720

Explanation:

To solve this problem, we multiply \displaystyle 9 by the ones position and the tens position. 

\displaystyle 9\times0=0

\displaystyle 9\times8=72

\displaystyle \frac{\begin{array}[b]{r}80\\ \times\ 9\end{array}}{ \ \space720}

Example Question #91 : How To Multiply Variables

\displaystyle \frac{\begin{array}[b]{r}10\\ \times\ 1\end{array}}{ \ \ \ \space}

 

Possible Answers:

\displaystyle 40

\displaystyle 30

\displaystyle 20

\displaystyle 10

\displaystyle 50

Correct answer:

\displaystyle 10

Explanation:

To solve this problem, we multiply \displaystyle 1 by the ones position and the tens position. 

\displaystyle 1\times0=0

\displaystyle 1\times1=1

\displaystyle \frac{\begin{array}[b]{r}10\\ \times\ 1\end{array}}{ \ \ \space10}

Example Question #171 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

\displaystyle \frac{\begin{array}[b]{r}40\\ \times\ 2\end{array}}{ \ \ \ \space}

Possible Answers:

\displaystyle 80

\displaystyle 50

\displaystyle 40

\displaystyle 60

\displaystyle 70

Correct answer:

\displaystyle 80

Explanation:

To solve this problem, we multiply \displaystyle 2 by the ones position and the tens position. 

\displaystyle 2\times0=0

\displaystyle 2\times4=8

\displaystyle \frac{\begin{array}[b]{r}40\\ \times\ 2\end{array}}{ \ \ \space80}

Example Question #121 : Operations

\displaystyle \frac{\begin{array}[b]{r}30\\ \times\ 3\end{array}}{ \ \ \ \space}

 

Possible Answers:

\displaystyle 90

\displaystyle 30

\displaystyle 40

\displaystyle 60

\displaystyle 50

Correct answer:

\displaystyle 90

Explanation:

To solve this problem, we multiply \displaystyle 3 by the ones position and the tens position. 

\displaystyle 3\times0=0

\displaystyle 3\times3=9

\displaystyle \frac{\begin{array}[b]{r}30\\ \times\ 3\end{array}}{ \ \ \space90}

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