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Common Core: 3rd Grade Math : Number & Operations in Base Ten

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

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All Common Core: 3rd Grade Math Resources

7 Diagnostic Tests 226 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #111 : Algebraic Concepts

$\frac{\begin{array}[b]{r}30\\ \times\ 4\end{array}}{ \ \ \ \space}$

Possible Answers:

140

120

100

110

130

Correct answer:

120

Explanation:

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

$4\times0=0$

$4\times3=12$

$\frac{\begin{array}[b]{r}30\\ \times\ 4\end{array}}{ \ \space120}$

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Example Question #969 : Common Core Math: Grade 3

$\frac{\begin{array}[b]{r}40\\ \times\ 5\end{array}}{ \ \ \ \space}$

Possible Answers:

200

230

220

210

240

Correct answer:

200

Explanation:

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

$5\times0=0$

$5\times4=20$

$\frac{\begin{array}[b]{r}40\\ \times\ 5\end{array}}{ \ \space200}$

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Example Question #971 : Common Core Math: Grade 3

$\frac{\begin{array}[b]{r}50\\ \times\ 6\end{array}}{ \ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

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

$6\times0=0$

$6\times5=30$

$\frac{\begin{array}[b]{r}50\\ \times\ 6\end{array}}{ \ \space300}$

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Example Question #972 : Common Core Math: Grade 3

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

Possible Answers:

450

420

430

410

440

Correct answer:

420

Explanation:

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

$7\times0=0$

$7\times6=42$

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

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

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

Possible Answers:

570

530

540

560

550

Correct answer:

560

Explanation:

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

$8\times0=0$

$8\times7=56$

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

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Example Question #174 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

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

Possible Answers:

670

660

640

630

650

Correct answer:

630

Explanation:

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

$9\times0=0$

$9\times7=63$

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

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

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

Possible Answers:

740

710

730

700

720

Correct answer:

720

Explanation:

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

$9\times0=0$

$9\times8=72$

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

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Example Question #91 : How To Multiply Variables

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

Possible Answers:

Correct answer:

Explanation:

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

$1\times0=0$

$1\times1=1$

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

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

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

Possible Answers:

Correct answer:

Explanation:

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

$2\times0=0$

$2\times4=8$

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

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Example Question #171 : Number & Operations In Base Ten

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

Possible Answers:

Correct answer:

Explanation:

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

$3\times0=0$

$3\times3=9$

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

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All Common Core: 3rd Grade Math Resources

7 Diagnostic Tests 226 Practice Tests Question of the Day Flashcards Learn by Concept

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Common Core: 3rd Grade Math : Number & Operations in Base Ten

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

All Common Core: 3rd Grade Math Resources

Example Questions

Example Question #111 : Algebraic Concepts

Example Question #969 : Common Core Math: Grade 3

Example Question #971 : Common Core Math: Grade 3

Example Question #972 : Common Core Math: Grade 3

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

Example Question #174 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

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

Example Question #91 : How To Multiply Variables

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

Example Question #171 : Number & Operations In Base Ten

All Common Core: 3rd Grade Math Resources

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