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Common Core: 2nd Grade Math : Common Core Math: Grade 2

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

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All Common Core: 2nd Grade Math Resources

7 Diagnostic Tests 217 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #563 : How To Add

$\frac{\begin{array}[b]{r}9\\ +\ 11\end{array}}{ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}9\\ +\ 11\end{array}}{ \ \ \space?}$

Possible Answers:

$\displaystyle 19$

$\displaystyle 16$

$\displaystyle 18$

$\displaystyle 17$

$\displaystyle 20$

Correct answer:

$\displaystyle 20$

Explanation:

To add we count up. Start at $\displaystyle 9$ and count up $\displaystyle 11$.

$\displaystyle 9,10,11,12,13,14,15,16,17,18,19,20$

$\frac{\begin{array}[b]{r}9\\ +\ 11\end{array}}{ \ \ \ \space20}$ $\displaystyle \frac{\begin{array}[b]{r}9\\ +\ 11\end{array}}{ \ \ \ \space20}$

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Example Question #1411 : Operations

$\frac{\begin{array}[b]{r}3\\ +\ 8\end{array}}{ \ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}3\\ +\ 8\end{array}}{ \ \ \ \space?}$

Possible Answers:

$\displaystyle 11$

$\displaystyle 10$

$\displaystyle 12$

$\displaystyle 8$

$\displaystyle 9$

Correct answer:

$\displaystyle 11$

Explanation:

To add we count up. Start at $\displaystyle 3$ and count up $\displaystyle 8$.

$\displaystyle 3,4,5,6,7,8,9,10,11$

$\frac{\begin{array}[b]{r}3\\ +\ 8\end{array}}{ \ \ \space11}$ $\displaystyle \frac{\begin{array}[b]{r}3\\ +\ 8\end{array}}{ \ \ \space11}$

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Example Question #565 : How To Add

$\frac{\begin{array}[b]{r}9\\ +\ 9\end{array}}{ \ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}9\\ +\ 9\end{array}}{ \ \ \ \space?}$

Possible Answers:

$\displaystyle 17$

$\displaystyle 14$

$\displaystyle 18$

$\displaystyle 16$

$\displaystyle 15$

Correct answer:

$\displaystyle 18$

Explanation:

To add we count up. Start at $\displaystyle 9$ and count up $\displaystyle 9$.

$\displaystyle 9,10,11,12,13,14,15,16,17,18$

$\frac{\begin{array}[b]{r}9\\ +\ 9\end{array}}{ \ \ \space18}$ $\displaystyle \frac{\begin{array}[b]{r}9\\ +\ 9\end{array}}{ \ \ \space18}$

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Example Question #1412 : Operations

$\frac{\begin{array}[b]{r}2\\ +\ 4\end{array}}{ \ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}2\\ +\ 4\end{array}}{ \ \ \ \space?}$

Possible Answers:

$\displaystyle 9$

$\displaystyle 8$

$\displaystyle 7$

$\displaystyle 6$

$\displaystyle 5$

Correct answer:

$\displaystyle 6$

Explanation:

To add we count up. Start at $\displaystyle 2$ and count up $\displaystyle 4$.

$\displaystyle 2,3,4,5,6$

$\frac{\begin{array}[b]{r}2\\ +\ 4\end{array}}{ \ \ \ \space6}$ $\displaystyle \frac{\begin{array}[b]{r}2\\ +\ 4\end{array}}{ \ \ \ \space6}$

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Example Question #235 : Operations & Algebraic Thinking

$\frac{\begin{array}[b]{r}5\\ +\ 2\end{array}}{ \ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}5\\ +\ 2\end{array}}{ \ \ \ \space?}$

Possible Answers:

$\displaystyle 3$

$\displaystyle 4$

$\displaystyle 5$

$\displaystyle 6$

$\displaystyle 7$

Correct answer:

$\displaystyle 7$

Explanation:

To add we count up. Start at $\displaystyle 5$ and count up $\displaystyle 2$.

5,6,7 $\displaystyle 5,6,7$

$\frac{\begin{array}[b]{r}5\\ +\ 2\end{array}}{ \ \ \ \space7}$ $\displaystyle \frac{\begin{array}[b]{r}5\\ +\ 2\end{array}}{ \ \ \ \space7}$

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Example Question #231 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2

$\frac{\begin{array}[b]{r}1\\ +\ 13\end{array}}{ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}1\\ +\ 13\end{array}}{ \ \ \space?}$

Possible Answers:

$\displaystyle 12$

$\displaystyle 11$

$\displaystyle 10$

$\displaystyle 9$

$\displaystyle 14$

Correct answer:

$\displaystyle 14$

Explanation:

To add we count up. Start at $\displaystyle 1$ and count up $\displaystyle 13$.

$\displaystyle 1,2,3,4,5,6,7,8,9,10,11,12,13,14$

$\frac{\begin{array}[b]{r}1\\ +\ 13\end{array}}{ \ \ \space14}$ $\displaystyle \frac{\begin{array}[b]{r}1\\ +\ 13\end{array}}{ \ \ \space14}$

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Example Question #1634 : Numbers And Operations

$\frac{\begin{array}[b]{r}2\\ +\ 15\end{array}}{ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}2\\ +\ 15\end{array}}{ \ \ \space?}$

Possible Answers:

$\displaystyle 18$

$\displaystyle 19$

$\displaystyle 16$

$\displaystyle 17$

$\displaystyle 15$

Correct answer:

$\displaystyle 17$

Explanation:

To add we count up. Start at $\displaystyle 2$ and count up $\displaystyle 15$.

$\displaystyle 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17$

$\frac{\begin{array}[b]{r}2\\ +\ 15\end{array}}{ \ \ \space17}$ $\displaystyle \frac{\begin{array}[b]{r}2\\ +\ 15\end{array}}{ \ \ \space17}$

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Example Question #1635 : Numbers And Operations

$\frac{\begin{array}[b]{r}3\\ +\ 1\end{array}}{ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}3\\ +\ 1\end{array}}{ \ \ \space?}$

Possible Answers:

$\displaystyle 4$

$\displaystyle 5$

$\displaystyle 6$

$\displaystyle 7$

$\displaystyle 8$

Correct answer:

$\displaystyle 4$

Explanation:

To add we count up. Start at $\displaystyle 3$ and count up $\displaystyle 1$.

3,4 $\displaystyle 3,4$

$\frac{\begin{array}[b]{r}3\\ +\ 1\end{array}}{ \ \ \ \space4}$ $\displaystyle \frac{\begin{array}[b]{r}3\\ +\ 1\end{array}}{ \ \ \ \space4}$

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Example Question #1636 : Numbers And Operations

$\frac{\begin{array}[b]{r}17\\ +\ 1\end{array}}{ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}17\\ +\ 1\end{array}}{ \ \ \space?}$

Possible Answers:

$\displaystyle 17$

$\displaystyle 19$

$\displaystyle 16$

$\displaystyle 15$

$\displaystyle 18$

Correct answer:

$\displaystyle 18$

Explanation:

To add we count up. Start at $\displaystyle 17$ and count up $\displaystyle 1$.

17,18 $\displaystyle 17,18$

$\frac{\begin{array}[b]{r}17\\ +\ 1\end{array}}{ \ \ \space18}$ $\displaystyle \frac{\begin{array}[b]{r}17\\ +\ 1\end{array}}{ \ \ \space18}$

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Example Question #1637 : Numbers And Operations

$\frac{\begin{array}[b]{r}15\\ +\ 3\end{array}}{ \ \ \space?}$ $\displaystyle \frac{\begin{array}[b]{r}15\\ +\ 3\end{array}}{ \ \ \space?}$

Possible Answers:

$\displaystyle 14$

$\displaystyle 17$

$\displaystyle 18$

$\displaystyle 16$

$\displaystyle 12$

Correct answer:

$\displaystyle 18$

Explanation:

To add we count up. Start at $\displaystyle 15$ and count up $\displaystyle 3$

$\displaystyle 15,16,17,18$

$\frac{\begin{array}[b]{r}15\\ +\ 3\end{array}}{ \ \ \space18}$ $\displaystyle \frac{\begin{array}[b]{r}15\\ +\ 3\end{array}}{ \ \ \space18}$

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All Common Core: 2nd Grade Math Resources

7 Diagnostic Tests 217 Practice Tests Question of the Day Flashcards Learn by Concept

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Common Core: 2nd Grade Math : Common Core Math: Grade 2

Study concepts, example questions & explanations for Common Core: 2nd Grade Math

All Common Core: 2nd Grade Math Resources

Example Questions

Example Question #563 : How To Add

Example Question #1411 : Operations

Example Question #565 : How To Add

Example Question #1412 : Operations

Example Question #235 : Operations & Algebraic Thinking

Example Question #231 : Mentally Add And Subtract Within 20: Ccss.Math.Content.2.Oa.B.2

Example Question #1634 : Numbers And Operations

Example Question #1635 : Numbers And Operations

Example Question #1636 : Numbers And Operations

Example Question #1637 : Numbers And Operations

All Common Core: 2nd Grade Math Resources

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