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Common Core: 1st Grade Math : Find the Missing Number in Addition and Subtraction Equations: CCSS.MATH.CONTENT.1.OA.D.8

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

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All Common Core: 1st Grade Math Resources

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Example Questions

Example Question #131 : Working With Addition And Subtraction Equations

Fill in the blank.

17= $\displaystyle 17=$ __________ $\displaystyle -2$

Possible Answers:

$\displaystyle 19$

$\displaystyle 15$

$\displaystyle 16$

$\displaystyle 17$

$\displaystyle 18$

Correct answer:

$\displaystyle 19$

Explanation:

This question is asking what we take $\displaystyle 2$ away from to get $\displaystyle 17$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}17\\ +\ \ 2\end{array}}{ \ \ \ \space 19}$ $\displaystyle \frac{\begin{array}[b]{r}17\\ +\ \ 2\end{array}}{ \ \ \ \space 19}$

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Example Question #841 : How To Subtract

Fill in the blank.

15= $\displaystyle 15=$ __________ $\displaystyle -3$

Possible Answers:

$\displaystyle 19$

$\displaystyle 17$

$\displaystyle 16$

$\displaystyle 20$

$\displaystyle 18$

Correct answer:

$\displaystyle 18$

Explanation:

This question is asking what we take $\displaystyle 3$ away from to get $\displaystyle 15$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}15\\ +\ \ 3\end{array}}{ \ \ \ \space 18}$ $\displaystyle \frac{\begin{array}[b]{r}15\\ +\ \ 3\end{array}}{ \ \ \ \space 18}$

Report an Error

Example Question #134 : Working With Addition And Subtraction Equations

Fill in the blank.

12= $\displaystyle 12=$ __________ $\displaystyle -6$

Possible Answers:

$\displaystyle 19$

$\displaystyle 17$

$\displaystyle 16$

$\displaystyle 18$

$\displaystyle 20$

Correct answer:

$\displaystyle 18$

Explanation:

This question is asking what we take $\displaystyle 6$ away from to get $\displaystyle 12$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}12\\ +\ \ 6\end{array}}{ \ \ \ \space 18}$ $\displaystyle \frac{\begin{array}[b]{r}12\\ +\ \ 6\end{array}}{ \ \ \ \space 18}$

Report an Error

Example Question #641 : Operations & Algebraic Thinking

Fill in the blank.

$\displaystyle 8=$ __________ $\displaystyle -7$

Possible Answers:

$\displaystyle 14$

$\displaystyle 15$

$\displaystyle 11$

$\displaystyle 12$

$\displaystyle 13$

Correct answer:

$\displaystyle 15$

Explanation:

This question is asking what we take $\displaystyle 7$ away from to get $\displaystyle 8$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}8\\ +\ \ 7\end{array}}{ \ \ \ \space 15}$ $\displaystyle \frac{\begin{array}[b]{r}8\\ +\ \ 7\end{array}}{ \ \ \ \space 15}$

Report an Error

Example Question #642 : Operations & Algebraic Thinking

Fill in the blank.

$\displaystyle 9=$ __________ $\displaystyle -3$

Possible Answers:

$\displaystyle 13$

$\displaystyle 12$

$\displaystyle 14$

$\displaystyle 15$

$\displaystyle 16$

Correct answer:

$\displaystyle 12$

Explanation:

This question is asking what we take $\displaystyle 3$ away from to get $\displaystyle 9$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}9\\ +\ \ 3\end{array}}{ \ \ \ \space 12}$ $\displaystyle \frac{\begin{array}[b]{r}9\\ +\ \ 3\end{array}}{ \ \ \ \space 12}$

Report an Error

Example Question #63 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

$\displaystyle 7=$ __________ $\displaystyle -10$

Possible Answers:

$\displaystyle 17$

$\displaystyle 15$

$\displaystyle 18$

$\displaystyle 12$

$\displaystyle 19$

Correct answer:

$\displaystyle 17$

Explanation:

This question is asking what we take $\displaystyle 10$ away from to get $\displaystyle 7$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}10\\ +\ \ 7\end{array}}{ \ \ \ \space 17}$ $\displaystyle \frac{\begin{array}[b]{r}10\\ +\ \ 7\end{array}}{ \ \ \ \space 17}$

Report an Error

Example Question #531 : Numbers And Operations

Fill in the blank.

$\displaystyle 6=$ __________ $\displaystyle -2$

Possible Answers:

$\displaystyle 9$

$\displaystyle 8$

$\displaystyle 11$

$\displaystyle 12$

$\displaystyle 10$

Correct answer:

$\displaystyle 8$

Explanation:

This question is asking what we take $\displaystyle 2$ away from to get $\displaystyle 6$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}6\\ +\ \ 2\end{array}}{ \ \ \ \ \ \space 8}$ $\displaystyle \frac{\begin{array}[b]{r}6\\ +\ \ 2\end{array}}{ \ \ \ \ \ \space 8}$

Report an Error

Example Question #643 : Operations & Algebraic Thinking

Fill in the blank.

$\displaystyle 5=$ __________ $\displaystyle -12$

Possible Answers:

$\displaystyle 15$

$\displaystyle 17$

$\displaystyle 16$

$\displaystyle 14$

$\displaystyle 18$

Correct answer:

$\displaystyle 17$

Explanation:

This question is asking what we take $\displaystyle 12$ away from to get $\displaystyle 5$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}12\\ +\ \ 5\end{array}}{ \ \ \ \space 17}$ $\displaystyle \frac{\begin{array}[b]{r}12\\ +\ \ 5\end{array}}{ \ \ \ \space 17}$

Report an Error

Example Question #141 : Working With Addition And Subtraction Equations

Fill in the blank.

$\displaystyle 4=$ __________ $\displaystyle -5$

Possible Answers:

$\displaystyle 7$

$\displaystyle 6$

$\displaystyle 8$

$\displaystyle 10$

$\displaystyle 9$

Correct answer:

$\displaystyle 9$

Explanation:

This question is asking what we take $\displaystyle 5$ away from to get $\displaystyle 4$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}5\\ +\ \ 4\end{array}}{ \ \ \ \ \space 9}$ $\displaystyle \frac{\begin{array}[b]{r}5\\ +\ \ 4\end{array}}{ \ \ \ \ \space 9}$

Report an Error

Example Question #651 : Operations & Algebraic Thinking

Fill in the blank.

$\displaystyle 3=$ __________ $\displaystyle -15$

Possible Answers:

$\displaystyle 15$

$\displaystyle 14$

$\displaystyle 18$

$\displaystyle 16$

$\displaystyle 17$

Correct answer:

$\displaystyle 18$

Explanation:

This question is asking what we take $\displaystyle 15$ away from to get $\displaystyle 3$ .

We can add to find the missing number.

$\frac{\begin{array}[b]{r}15\\ +\ \ 3\end{array}}{ \ \ \ \space 18}$ $\displaystyle \frac{\begin{array}[b]{r}15\\ +\ \ 3\end{array}}{ \ \ \ \space 18}$

Report an Error

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Common Core: 1st Grade Math : Find the Missing Number in Addition and Subtraction Equations: CCSS.MATH.CONTENT.1.OA.D.8

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

All Common Core: 1st Grade Math Resources

Example Questions

Example Question #131 : Working With Addition And Subtraction Equations

Example Question #841 : How To Subtract

Example Question #134 : Working With Addition And Subtraction Equations

Example Question #641 : Operations & Algebraic Thinking

Example Question #642 : Operations & Algebraic Thinking

Example Question #63 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Example Question #531 : Numbers And Operations

Example Question #643 : Operations & Algebraic Thinking

Example Question #141 : Working With Addition And Subtraction Equations

Example Question #651 : Operations & Algebraic Thinking

All Common Core: 1st Grade Math Resources

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