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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 #92 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

$\frac{\begin{array}[b]{r}60\\ \times\ 9\end{array}}{ \ \ \ \space}$

Possible Answers:

560

540

550

530

570

Correct answer:

540

Explanation:

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

$9\times0=0$

$9\times6=54$

$\frac{\begin{array}[b]{r}60\\ \times\ 9\end{array}}{ \ \space540}$

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Example Question #69 : How To Multiply Variables

$\frac{\begin{array}[b]{r}70\\ \times\ 1\end{array}}{ \ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

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

$1\times0=0$

$1\times7=7$

$\frac{\begin{array}[b]{r}70\\ \times\ 1\end{array}}{ \ \ \space70}$

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Example Question #99 : Variables

$\frac{\begin{array}[b]{r}80\\ \times\ 2\end{array}}{ \ \ \ \space}$

Possible Answers:

150

170

190

160

180

Correct answer:

160

Explanation:

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

$2\times0=0$

$2\times8=16$

$\frac{\begin{array}[b]{r}80\\ \times\ 2\end{array}}{ \ \space160}$

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Example Question #951 : Common Core Math: Grade 3

$\frac{\begin{array}[b]{r}10\\ \times\ 4\end{array}}{ \ \ \ \space}$

Possible Answers:

Correct answer:

Explanation:

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

$4\times0=0$

$4\times1=4$

$\frac{\begin{array}[b]{r}10\\ \times\ 4\end{array}}{ \ \ \space40}$

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Example Question #71 : How To Multiply Variables

$\frac{\begin{array}[b]{r}90\\ \times\ 3\end{array}}{ \ \ \ \space}$

Possible Answers:

290

280

270

260

250

Correct answer:

270

Explanation:

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

$3\times0=0$

$3\times9=27$

$\frac{\begin{array}[b]{r}90\\ \times\ 3\end{array}}{ \ \space270}$

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Example Question #101 : Operations

$\frac{\begin{array}[b]{r}20\\ \times\ 5\end{array}}{ \ \ \ \space}$

Possible Answers:

100

130

140

110

120

Correct answer:

100

Explanation:

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

$5\times0=0$

$5\times2=10$

$\frac{\begin{array}[b]{r}20\\ \times\ 5\end{array}}{ \ \space100}$

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Example Question #151 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

$\frac{\begin{array}[b]{r}30\\ \times\ 6\end{array}}{ \ \ \ \space}$

Possible Answers:

180

140

150

160

170

Correct answer:

180

Explanation:

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

$6\times0=0$

$6\times3=18$

$\frac{\begin{array}[b]{r}30\\ \times\ 6\end{array}}{ \ \space180}$

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Example Question #955 : Common Core Math: Grade 3

$\frac{\begin{array}[b]{r}50\\ \times\ 7\end{array}}{ \ \ \ \space}$

Possible Answers:

340

350

360

380

370

Correct answer:

350

Explanation:

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

$7\times0=0$

$7\times5=35$

$\frac{\begin{array}[b]{r}50\\ \times\ 7\end{array}}{ \ \space350}$

Report an Error

Example Question #72 : How To Multiply Variables

$\frac{\begin{array}[b]{r}60\\ \times\ 8\end{array}}{ \ \ \ \space}$

Possible Answers:

460

450

480

490

470

Correct answer:

480

Explanation:

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

$8\times0=0$

$8\times6=48$

$\frac{\begin{array}[b]{r}60\\ \times\ 8\end{array}}{ \ \space480}$

Report an Error

Example Question #73 : How To Multiply Variables

$\frac{\begin{array}[b]{r}50\\ \times\ 9\end{array}}{ \ \ \ \space}$

Possible Answers:

440

450

430

470

460

Correct answer:

450

Explanation:

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

$9\times0=0$

$9\times5=45$

$\frac{\begin{array}[b]{r}50\\ \times\ 9\end{array}}{ \ \space450}$

Report an Error

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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 #92 : Isee Middle Level (Grades 7 8) Quantitative Reasoning

Example Question #69 : How To Multiply Variables

Example Question #99 : Variables

Example Question #951 : Common Core Math: Grade 3

Example Question #71 : How To Multiply Variables

Example Question #101 : Operations

Example Question #151 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

Example Question #955 : Common Core Math: Grade 3

Example Question #72 : How To Multiply Variables

Example Question #73 : How To Multiply Variables

All Common Core: 3rd Grade Math Resources

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