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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 #171 : The Number System

Solve:

$-4\times8$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$4\times8=32$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-4\times8=-32$

Report an Error

Example Question #172 : The Number System

Solve:

$-4\times9$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$4\times9=36$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-4\times9=-36$

Report an Error

Example Question #49 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a

Solve:

$-4\times10$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$4\times10=40$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-4\times10=-40$

Report an Error

Example Question #50 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a

Solve:

$-4\times11$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$4\times6=11$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-4\times11=-44$

Report an Error

Example Question #51 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a

Solve:

$-4\times12$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$4\times12=48$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-4\times12=-48$

Report an Error

Example Question #171 : The Number System

Solve:

$-4\times1$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$4\times1=4$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-4\times1=-4$

Report an Error

Example Question #173 : The Number System

Solve:

$-5\times4$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$5\times4=20$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-5\times4=-20$

Report an Error

Example Question #174 : The Number System

Solve:

$-5\times5$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$5\times5=25$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-5\times5=-25$

Report an Error

Example Question #175 : The Number System

Solve:

$-5\times6$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$5\times6=30$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-5\times6=-30$

Report an Error

Example Question #176 : The Number System

Solve:

$-5\times7$

Possible Answers:

Correct answer:

Explanation:

We know the following information:

$5\times7=35$

However, the changes our answer, in this particular case. There are a couple of rules that we need to remember when multiplying with negative numbers:

A negative number multiplied by a positive number will always equal a negative number
A negative number multiplied by a negative number will always equal a positive number

Thus,

$-5\times7=-35$

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 #171 : The Number System

Example Question #172 : The Number System

Example Question #49 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a

Example Question #50 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a

Example Question #51 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a

Example Question #171 : The Number System

Example Question #173 : The Number System

Example Question #174 : The Number System

Example Question #175 : The Number System

Example Question #176 : The Number System

All Common Core: 7th Grade Math Resources

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