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Common Core: 7th Grade Math : Describe Situations in Which Opposite Quantities Combine to Make 0: CCSS.Math.Content.7.NS.A.1a

Study concepts, example questions & explanations for Common Core: 7th Grade Math

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All Common Core: 7th Grade Math Resources

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Example Questions

Example Question #31 : The Number System

For the equation provided, what value, when substituted for $\displaystyle x$, will equal $\displaystyle 0?$

94-x=0 $\displaystyle 94-x=0$

Possible Answers:

$\displaystyle 0$

$\displaystyle 90$

$\displaystyle 1$

$\displaystyle 94$

$\displaystyle -94$

Correct answer:

$\displaystyle 94$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}94-x=0\\ +x+x\end{array}}{\\\\94=x}$ $\displaystyle \frac{\begin{array}[b]{r}94-x=0\\ +x+x\end{array}}{\\\\94=x}$

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Example Question #32 : The Number System

For the equation provided, what value, when substituted for $\displaystyle x$, will equal $\displaystyle 0?$

83-x=0 $\displaystyle 83-x=0$

Possible Answers:

$\displaystyle 1$

$\displaystyle 0$

$\displaystyle -80$

$\displaystyle -83$

$\displaystyle 83$

Correct answer:

$\displaystyle 83$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}83-x=0\\ +x+x\end{array}}{\\\\83=x}$ $\displaystyle \frac{\begin{array}[b]{r}83-x=0\\ +x+x\end{array}}{\\\\83=x}$

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Example Question #221 : Grade 7

For the equation provided, what value, when substituted for $\displaystyle x$, will equal $\displaystyle 0?$

75-x=0 $\displaystyle 75-x=0$

Possible Answers:

$\displaystyle 75$

$\displaystyle 25$

$\displaystyle 1$

$\displaystyle 0$

$\displaystyle -75$

Correct answer:

$\displaystyle 75$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}75-x=0\\ +x+x\end{array}}{\\\\75=x}$ $\displaystyle \frac{\begin{array}[b]{r}75-x=0\\ +x+x\end{array}}{\\\\75=x}$

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Example Question #34 : The Number System

For the equation provided, what value, when substituted for $\displaystyle x$, will equal $\displaystyle 0?$

66-x=0 $\displaystyle 66-x=0$

Possible Answers:

$\displaystyle 1$

$\displaystyle 66$

$\displaystyle 60$

$\displaystyle 0$

$\displaystyle -66$

Correct answer:

$\displaystyle 66$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}66-x=0\\ +x+x\end{array}}{\\\\66=x}$ $\displaystyle \frac{\begin{array}[b]{r}66-x=0\\ +x+x\end{array}}{\\\\66=x}$

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Example Question #35 : The Number System

For the equation provided, what value, when substituted for $\displaystyle x$, will equal $\displaystyle 0?$

59-x=0 $\displaystyle 59-x=0$

Possible Answers:

$\displaystyle 59$

$\displaystyle 0$

$\displaystyle 1$

$\displaystyle -59$

$\displaystyle -50$

Correct answer:

$\displaystyle 59$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}59-x=0\\ +x+x\end{array}}{\\\\59=x}$ $\displaystyle \frac{\begin{array}[b]{r}59-x=0\\ +x+x\end{array}}{\\\\59=x}$

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Example Question #36 : The Number System

For the equation provided, what value, when substituted for $\displaystyle x$, will equal $\displaystyle 0?$

46-x=0 $\displaystyle 46-x=0$

Possible Answers:

$\displaystyle -42$

$\displaystyle 46$

$\displaystyle 1$

$\displaystyle 0$

$\displaystyle -46$

Correct answer:

$\displaystyle 46$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}46-x=0\\ +x+x\end{array}}{\\\\46=x}$ $\displaystyle \frac{\begin{array}[b]{r}46-x=0\\ +x+x\end{array}}{\\\\46=x}$

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Example Question #31 : The Number System

Which value, when substituted for x, will make the equation 15-x=0 $\displaystyle 15-x=0$ true?

Possible Answers:

$\displaystyle 5$

$\displaystyle 0$

$\displaystyle 15$

$\displaystyle 10$

$\displaystyle -15$

Correct answer:

$\displaystyle 15$

Explanation:

In order to answer this question, we can solve for $\displaystyle x$. When solving for $\displaystyle x$ we need to isolate the $\displaystyle x$ variable on one side of the equation.

We can add $\displaystyle x$ to both sides in order to isolate the variable, $\displaystyle x$.

$\frac{\begin{array}[b]{r}15-x=0\\ +x+x\end{array}}{\\\\15=x}$ $\displaystyle \frac{\begin{array}[b]{r}15-x=0\\ +x+x\end{array}}{\\\\15=x}$

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All Common Core: 7th Grade Math Resources

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Common Core: 7th Grade Math : Describe Situations in Which Opposite Quantities Combine to Make 0: CCSS.Math.Content.7.NS.A.1a

Study concepts, example questions & explanations for Common Core: 7th Grade Math

All Common Core: 7th Grade Math Resources

Example Questions

Example Question #31 : The Number System

Example Question #32 : The Number System

Example Question #221 : Grade 7

Example Question #34 : The Number System

Example Question #35 : The Number System

Example Question #36 : The Number System

Example Question #31 : The Number System

All Common Core: 7th Grade Math Resources

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