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Common Core: 7th Grade Math : The Number System

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

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All Common Core: 7th Grade Math Resources

7 Diagnostic Tests 110 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #281 : The Number System

Solve:

$-50\div-5$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$50\div5=5$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-50\div-5=10$

Report an Error

Example Question #282 : The Number System

Solve:

$-55\div-5$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$55\div5=11$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-55\div-5=11$

Report an Error

Example Question #283 : The Number System

Solve:

$-18\div-2$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$18\div2=9$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-18\div-2=9$

Report an Error

Example Question #284 : The Number System

Solve:

$-20\div-2$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$20\div2=10$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-20\div-2=10$

Report an Error

Example Question #285 : The Number System

Solve:

$-22\div-2$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$22\div2=11$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-22\div-2=11$

Report an Error

Example Question #286 : The Number System

Solve:

$-24\div-2$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$24\div2=12$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-24\div-2=12$

Report an Error

Example Question #51 : Divide Integers: Ccss.Math.Content.7.Ns.A.2b

Solve:

$-80\div-8$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$80\div8=10$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-80\div-8=10$

Report an Error

Example Question #287 : The Number System

Solve:

$-88\div-8$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$88\div8=11$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-88\div-8=11$

Report an Error

Example Question #288 : The Number System

Solve:

$-96\div-8$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$96\div8=12$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-96\div-8=12$

Report an Error

Example Question #289 : The Number System

Solve:

$-8\div-8$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$8\div8=1$

In this particular case, do the negative numbers change our answer? . There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number divided by a positive number will always equal a negative number, and a positive number divided by a negative number will always equal a negative number.
A negative number divided by a negative number will always equal a positive number

Thus,

$-8\div-8=1$

Report an Error

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All Common Core: 7th Grade Math Resources

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Common Core: 7th Grade Math : The Number System

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

All Common Core: 7th Grade Math Resources

Example Questions

Example Question #281 : The Number System

Example Question #282 : The Number System

Example Question #283 : The Number System

Example Question #284 : The Number System

Example Question #285 : The Number System

Example Question #286 : The Number System

Example Question #51 : Divide Integers: Ccss.Math.Content.7.Ns.A.2b

Example Question #287 : The Number System

Example Question #288 : The Number System

Example Question #289 : The Number System

All Common Core: 7th Grade Math Resources

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