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Common Core: 1st Grade Math : Operations & Algebraic Thinking

Study concepts, example questions & explanations for Common Core: 1st Grade Math

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All Common Core: 1st Grade Math Resources

7 Diagnostic Tests 180 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #327 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}4\\ +\ 11\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

4,5,6,7,8,9,10,11,12,13,14,15

$\frac{\begin{array}[b]{r}4\\ +\ 11\end{array}}{ \ \ \ \space15}$

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Example Question #1247 : How To Add

$\frac{\begin{array}[b]{r}5\\ +\ 12\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

5,6,7,8,9,10,11,12,13,14,15,16,17

$\frac{\begin{array}[b]{r}5\\ +\ 12\end{array}}{ \ \ \ \space17}$

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Example Question #351 : Adding And Subtracting Within 20

$\frac{\begin{array}[b]{r}6\\ +\ 14\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

6,7,8,9,10,11,12,13,14,15,16,17,18,19,20

$\frac{\begin{array}[b]{r}6\\ +\ 14\end{array}}{ \ \ \ \space20}$

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Example Question #332 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

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

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up

3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18

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

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Example Question #351 : Adding And Subtracting Within 20

$\frac{\begin{array}[b]{r}3\\ +\ 17\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20

$\frac{\begin{array}[b]{r}3\\ +\ 17\end{array}}{ \ \ \ \space20}$

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Example Question #2311 : Numbers And Operations

$\frac{\begin{array}[b]{r}5\\ +\ 1\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

5,6

$\frac{\begin{array}[b]{r}5\\ +\ 1\end{array}}{ \ \ \ \space6}$

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Example Question #334 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}18\\ +\ 1\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

18,19

$\frac{\begin{array}[b]{r}18\\ +\ 1\end{array}}{ \ \ \space19}$

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Example Question #331 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}12\\ +\ 2\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

12,13,14

$\frac{\begin{array}[b]{r}12\\ +\ 2\end{array}}{ \ \ \space14}$

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Example Question #336 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

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

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

1,2,3,4

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

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Example Question #335 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}13\\ +\ 4\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

To add we count up. Start at and count up .

13,14,15,16,17

$\frac{\begin{array}[b]{r}13\\ +\ 4\end{array}}{ \ \ \space17}$

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All Common Core: 1st Grade Math Resources

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Common Core: 1st Grade Math : Operations & Algebraic Thinking

Study concepts, example questions & explanations for Common Core: 1st Grade Math

All Common Core: 1st Grade Math Resources

Example Questions

Example Question #327 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #1247 : How To Add

Example Question #351 : Adding And Subtracting Within 20

Example Question #332 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #351 : Adding And Subtracting Within 20

Example Question #2311 : Numbers And Operations

Example Question #334 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #331 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #336 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #335 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

All Common Core: 1st Grade Math Resources

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