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Common Core: 3rd Grade Math : Common Core Math: Grade 3

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 #79 : How To Multiply Variables

$\frac{\begin{array}[b]{r}10\\ \times\ 3\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}10\\ \times\ 3\end{array}}{ \ \ \ \space}$

Possible Answers:

$\displaystyle 50$

$\displaystyle 30$

$\displaystyle 40$

$\displaystyle 20$

$\displaystyle 60$

Correct answer:

$\displaystyle 30$

Explanation:

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

$3\times0=0$ $\displaystyle 3\times0=0$

$3\times1=3$ $\displaystyle 3\times1=3$

$\frac{\begin{array}[b]{r}10\\ \times\ 3\end{array}}{ \ \ \space30}$ $\displaystyle \frac{\begin{array}[b]{r}10\\ \times\ 3\end{array}}{ \ \ \space30}$

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Example Question #471 : How To Multiply

$\frac{\begin{array}[b]{r}20\\ \times\ 4\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}20\\ \times\ 4\end{array}}{ \ \ \ \space}$

Possible Answers:

$\displaystyle 50$

$\displaystyle 70$

$\displaystyle 90$

$\displaystyle 80$

$\displaystyle 60$

Correct answer:

$\displaystyle 80$

Explanation:

To solve this problem, we multiply $\displaystyle 4$ by the ones position and the tens position.

$4\times0=0$ $\displaystyle 4\times0=0$

$4\times2=8$ $\displaystyle 4\times2=8$

$\frac{\begin{array}[b]{r}20\\ \times\ 4\end{array}}{ \ \ \space80}$ $\displaystyle \frac{\begin{array}[b]{r}20\\ \times\ 4\end{array}}{ \ \ \space80}$

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Example Question #472 : How To Multiply

$\frac{\begin{array}[b]{r}30\\ \times\ 5\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}30\\ \times\ 5\end{array}}{ \ \ \ \space}$

Possible Answers:

130 $\displaystyle 130$

160 $\displaystyle 160$

150 $\displaystyle 150$

170 $\displaystyle 170$

140 $\displaystyle 140$

Correct answer:

150 $\displaystyle 150$

Explanation:

To solve this problem, we multiply $\displaystyle 5$ by the ones position and the tens position.

$5\times0=0$ $\displaystyle 5\times0=0$

$5\times3=15$ $\displaystyle 5\times3=15$

$\frac{\begin{array}[b]{r}30\\ \times\ 5\end{array}}{ \ \space150}$ $\displaystyle \frac{\begin{array}[b]{r}30\\ \times\ 5\end{array}}{ \ \space150}$

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Example Question #111 : Operations

$\frac{\begin{array}[b]{r}40\\ \times\ 6\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}40\\ \times\ 6\end{array}}{ \ \ \ \space}$

Possible Answers:

240 $\displaystyle 240$

270 $\displaystyle 270$

250 $\displaystyle 250$

260 $\displaystyle 260$

280 $\displaystyle 280$

Correct answer:

240 $\displaystyle 240$

Explanation:

To solve this problem, we multiply $\displaystyle 6$ by the ones position and the tens position.

$6\times0=0$ $\displaystyle 6\times0=0$

$6\times4=24$ $\displaystyle 6\times4=24$

$\frac{\begin{array}[b]{r}40\\ \times\ 6\end{array}}{ \ \space240}$ $\displaystyle \frac{\begin{array}[b]{r}40\\ \times\ 6\end{array}}{ \ \space240}$

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Example Question #112 : Operations

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

Possible Answers:

430 $\displaystyle 430$

410 $\displaystyle 410$

420 $\displaystyle 420$

400 $\displaystyle 400$

440 $\displaystyle 440$

Correct answer:

420 $\displaystyle 420$

Explanation:

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

$7\times0=0$ $\displaystyle 7\times0=0$

$7\times6=42$ $\displaystyle 7\times6=42$

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

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Example Question #113 : Operations

$\frac{\begin{array}[b]{r}90\\ \times\ 1\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}90\\ \times\ 1\end{array}}{ \ \ \ \space}$

Possible Answers:

$\displaystyle 60$

$\displaystyle 80$

$\displaystyle 50$

$\displaystyle 70$

$\displaystyle 90$

Correct answer:

$\displaystyle 90$

Explanation:

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

$1\times0=0$ $\displaystyle 1\times0=0$

$1\times9=9$ $\displaystyle 1\times9=9$

$\frac{\begin{array}[b]{r}90\\ \times\ 1\end{array}}{ \ \ \space90}$ $\displaystyle \frac{\begin{array}[b]{r}90\\ \times\ 1\end{array}}{ \ \ \space90}$

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Example Question #473 : How To Multiply

$\frac{\begin{array}[b]{r}10\\ \times\ 2\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}10\\ \times\ 2\end{array}}{ \ \ \ \space}$

Possible Answers:

$\displaystyle 40$

$\displaystyle 50$

$\displaystyle 20$

$\displaystyle 30$

$\displaystyle 60$

Correct answer:

$\displaystyle 20$

Explanation:

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

$2\times0=0$ $\displaystyle 2\times0=0$

$2\times1=2$ $\displaystyle 2\times1=2$

$\frac{\begin{array}[b]{r}10\\ \times\ 2\end{array}}{ \ \ \space20}$ $\displaystyle \frac{\begin{array}[b]{r}10\\ \times\ 2\end{array}}{ \ \ \space20}$

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Example Question #114 : Operations

$\frac{\begin{array}[b]{r}20\\ \times\ 3\end{array}}{ \ \ \ \space}$ $\displaystyle \frac{\begin{array}[b]{r}20\\ \times\ 3\end{array}}{ \ \ \ \space}$

Possible Answers:

$\displaystyle 60$

$\displaystyle 90$

$\displaystyle 70$

$\displaystyle 80$

$\displaystyle 50$

Correct answer:

$\displaystyle 60$

Explanation:

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

$3\times0=0$ $\displaystyle 3\times0=0$

$3\times2=6$ $\displaystyle 3\times2=6$

$\frac{\begin{array}[b]{r}20\\ \times\ 3\end{array}}{ \ \ \space60}$ $\displaystyle \frac{\begin{array}[b]{r}20\\ \times\ 3\end{array}}{ \ \ \space60}$

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

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

Possible Answers:

120 $\displaystyle 120$

130 $\displaystyle 130$

110 $\displaystyle 110$

100 $\displaystyle 100$

140 $\displaystyle 140$

Correct answer:

120 $\displaystyle 120$

Explanation:

To solve this problem, we multiply $\displaystyle 4$ by the ones position and the tens position.

$4\times0=0$ $\displaystyle 4\times0=0$

$4\times3=12$ $\displaystyle 4\times3=12$

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

Report an Error

Example Question #115 : Operations

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

Possible Answers:

220 $\displaystyle 220$

200 $\displaystyle 200$

210 $\displaystyle 210$

230 $\displaystyle 230$

240 $\displaystyle 240$

Correct answer:

200 $\displaystyle 200$

Explanation:

To solve this problem, we multiply $\displaystyle 5$ by the ones position and the tens position.

$5\times0=0$ $\displaystyle 5\times0=0$

$5\times4=20$ $\displaystyle 5\times4=20$

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

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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 : Common Core Math: Grade 3

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

All Common Core: 3rd Grade Math Resources

Example Questions

Example Question #79 : How To Multiply Variables

Example Question #471 : How To Multiply

Example Question #472 : How To Multiply

Example Question #111 : Operations

Example Question #112 : Operations

Example Question #113 : Operations

Example Question #473 : How To Multiply

Example Question #114 : Operations

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

Example Question #115 : Operations

All Common Core: 3rd Grade Math Resources

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