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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 #61 : The Number System

Use the number line provided to help solve the following problem:

-15+7

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

Next, we have which means we need to move places to the right on the number line. When we have an addition sign (+) we move to the right because that is towards the positive side of the number line. When we have a subtraction sign (-) we move to the left because that is towards the negative side of the number line.

15 7

The orange arrow moved places to the right, and ended at ; thus,

-15+7=-8

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Example Question #62 : The Number System

Use the number line provided to help solve the following problem:

-5+5

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

5 5

The orange arrow moved places to the right, and ended at ; thus,

-5+5=0

Remember, and are opposite numbers. A number and its opposite always have a sum of .

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Example Question #61 : The Number System

Use the number line provided to help solve the following problem:

-3-4

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

Next, we have which means we need to move places to the left on the number line. When we have an addition sign (+) we move to the right because that is towards the positive side of the number line. When we have a subtraction sign (-) we move to the left because that is towards the negative side of the number line.

3 4

The orange arrow moved places to the left, and ended at ; thus,

-3-4=-7

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Example Question #62 : The Number System

Use the number line provided to help solve the following problem:

-12-3

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

12 3

The orange arrow moved places to the left, and ended at ; thus,

-12-3=-15

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Example Question #63 : The Number System

Use the number line provided to help solve the following problem:

-11-2

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

11 2

The orange arrow moved places to the left, and ended at ; thus,

-11-2=-13

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Example Question #64 : The Number System

Use the number line provided to help solve the following problem:

4-10

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

4 10

The orange arrow moved places to the left, and ended at ; thus,

4-10=-6

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Example Question #61 : The Number System

Use the number line provided to help solve the following problem:

9-12

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

9 12

The orange arrow moved places to the left, and ended at ; thus,

9-12=-3

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Example Question #68 : The Number System

Use the number line provided to help solve the following problem:

-9+9

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

9 9

The orange arrow moved places to the right, and ended at ; thus,

-9+9=0

Remember, and are opposite numbers. A number and its opposite always have a sum of .

Report an Error

Example Question #31 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Use the number line provided to help solve the following problem:

-12+4

Negative number line

Possible Answers:

Correct answer:

Explanation:

In order to solve this problem, we need to start at on the number line.

The orange arrow moved places to the right, and ended at ; thus,

-12+4=-8

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Example Question #1 : Negative Numbers

Solve:

-3-7=

Possible Answers:

Correct answer:

Explanation:

-3-7=-10

The problem indicates that the result is units more negative than , which is .

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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

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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 #61 : The Number System

Example Question #62 : The Number System

Example Question #61 : The Number System

Example Question #62 : The Number System

Example Question #63 : The Number System

Example Question #64 : The Number System

Example Question #61 : The Number System

Example Question #68 : The Number System

Example Question #31 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Example Question #1 : Negative Numbers

All Common Core: 7th Grade Math Resources

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