# Common Core: 7th Grade Math : Subtract Rational Numbers and Understand The Absolute Value of Their Difference: CCSS.Math.Content.7.NS.A.1c

## Example Questions

← Previous 1 3

### Example Question #1 : Negative Numbers

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

### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c       Explanation:

When we subtract a negative number, the sign turns positive. It becomes an addition problem. .

### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c

Solve:       Explanation:

Remember that subtracting a negative number is just like adding the positive of that number, because you move to the right (more positive) on the number line. Therefore ### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c

Subtract:       Explanation:

Distribute the negative sign through the parentheses.  Double negatives equal a positive. The answer is .

### Example Question #5 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c       Explanation:

When minus signs meet, the sign becomes positive. This becomes an addition problem. Answer is .

### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c       Explanation:

When two minus signs meet, the sign becomes positive. Since is greater than and is negative, our answer is negative. We treat as a subtraction problem. Answer is .

### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c       Explanation:

Two minus signs become a plus sign. It's now an addition problem.

Add the ones digits together: Add the tens digits together: Combine the ones and tens digit to get final answer.

Answer is .

### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c       Explanation:

Two minus signs become a plus sign. It's now an addition problem. Since is greater than and is negative, our answer is negative.

We treat as a normal subtraction.

Answer is ### Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c

Solve:       Explanation:

Two minus signs becomes a plus sign. Since is greater than and is positive, our answer is positive. We treat as a normal subtraction. Answer is .

### Example Question #71 : The Number System

Solve:       Two minus signs become a plus sign. This is just simple addition. Answer is . 