Common Core: 7th Grade Math : Understand Distances Between Numbers on a Number Line: CCSS.Math.Content.7.NS.A.1b

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

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Example Questions

Example Question #264 : Operations

Possible Answers:

Correct answer:

Explanation:

When adding two negative numbers, we treat as an addition problem and add the minus sign in the end.

 

Add the ones digits together:

Add the tens digits together:

Combine the ones and tens digit to get final answer.

Answer is .

Example Question #11 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Possible Answers:

Correct answer:

Explanation:

When adding two negative numbers, we treat as an addition problem and add the minus sign in the end.

Another way to look at this problem is to start at negative seven on a number line and move to the left three places.

Answer is .

Example Question #12 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Solve:

Possible Answers:

Correct answer:

Explanation:

Since  is greater than  and is positive, our answer is positive. We treat as a normal subtraction. The answer is .

Example Question #13 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Solve:

Possible Answers:

Correct answer:

Explanation:

When adding two negative numbers, we treat as an addition problem and add the minus sign in the end. The answer is .

Example Question #14 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Solve:

Possible Answers:

Correct answer:

Explanation:

Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction. Answer is .

Example Question #15 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Possible Answers:

Correct answer:

Explanation:

 Since  is greater than  and is positive, our answer is positive. We treat as a normal subtraction.

 is the answer. 

Example Question #16 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Possible Answers:

Correct answer:

Explanation:

 Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction.

Answer is .

Example Question #17 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Possible Answers:

Correct answer:

Explanation:

 When adding with another negative number, just treat as an addition problem and then add a negative sign in front.

Answer is  

Example Question #18 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Solve:

Possible Answers:

Correct answer:

Explanation:

When adding with negative values, the sign turns negative. So now we have . Since they have the same sign, we just treat it as an addition problem and add  and then insert the negative sign in front. The answer is 

Example Question #19 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

Solve:

Possible Answers:

Correct answer:

Explanation:

When dealing with negative numbers, let's see which number is greater.  is greater than  and is positive so the answer is positive. We treat this as a subtraction problem. 

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