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Common Core: 1st Grade Math : Common Core Math: Grade 1

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 #380 : 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 #401 : Adding And Subtracting Within 20

$\frac{\begin{array}[b]{r}6\\ +\ 1\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

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

6,7

$\frac{\begin{array}[b]{r}6\\ +\ 1\end{array}}{ \ \ \ \space7}$

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Example Question #381 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}10\\ +\ 3\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

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

10,11,12,13

$\frac{\begin{array}[b]{r}10\\ +\ 3\end{array}}{ \ \ \space13}$

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Example Question #382 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

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

Possible Answers:

Correct answer:

Explanation:

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

17,18,19,20

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

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Example Question #383 : 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 #384 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}8\\ +\ 4\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

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

8,9,10,11,12

$\frac{\begin{array}[b]{r}8\\ +\ 4\end{array}}{ \ \ \space12}$

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Example Question #385 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}8\\ +\ 4\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

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

8,9,10,11,12

$\frac{\begin{array}[b]{r}8\\ +\ 4\end{array}}{ \ \ \space12}$

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Example Question #386 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}15\\ +\ 5\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

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

15,16,17,18,19,20

$\frac{\begin{array}[b]{r}15\\ +\ 5\end{array}}{ \ \ \space20}$

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Example Question #387 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

$\frac{\begin{array}[b]{r}8\\ +\ 5\end{array}}{ \ \ \space?}$

Possible Answers:

Correct answer:

Explanation:

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

8,9,10,11,12,13

$\frac{\begin{array}[b]{r}8\\ +\ 5\end{array}}{ \ \ \space13}$

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Example Question #1 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

Which of the equations is TRUE?

Possible Answers:

5+4=8+3

5+4=6+3

5+4=8+2

5+4=6+2

Correct answer:

5+4=6+3

Explanation:

Both 5+4 and 6+3 equal . So these two equations equal each other. 8+2=10 , 6+2= 8 , and 8+3=11 . Because none of these equations equal , they can’t be equal to 5+4 .

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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

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Common Core: 1st Grade Math : Common Core Math: Grade 1

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

All Common Core: 1st Grade Math Resources

Example Questions

Example Question #380 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #401 : Adding And Subtracting Within 20

Example Question #381 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #382 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #383 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #384 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #385 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #386 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #387 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Example Question #1 : Understand The Equal Sign, Determine If Equations Are True Or False: Ccss.Math.Content.1.Oa.D.7

All Common Core: 1st Grade Math Resources

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