### All Pre-Algebra Resources

## Example Questions

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

Subtract:

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**Correct answer:**

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

The answer is .

### Example Question #31 : Negative Numbers

Solve:

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**Correct answer:**

To evaluate this, first simplify the innermost parentheses.

Distribute the negative two in front to term inside the parentheses.

### Example Question #1 : Add And Subtract Rational Numbers: Ccss.Math.Content.7.Ns.A.1d

Evaluate:

**Possible Answers:**

**Correct answer:**

Break up the parentheses. Double negatives result in a positive sign, and positive with a negative sign will result in a negative sign.

Next, simplify by adding and subtracting each component from left to right.

### Example Question #32 : Negative Numbers

Solve:

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**Correct answer:**

Use the order of operations to solve this. A negative number that is not in parentheses squared will remain negative.

### Example Question #31 : Negative Numbers

Simplify:

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**Correct answer:**

Simplify the numerator and the denominator first.

Divide the terms inside the parentheses.

Distribute the negative sign. Double negatives will result in a positive sign.

### Example Question #41 : The Number System

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**Correct answer:**

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

### Example Question #8 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b

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**Correct answer:**

When a plus and minus sign meet, the sign is negative. The difference is .

### Example Question #41 : The Number System

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**Correct answer:**

When a plus and a minus meet, the sign is negative. When adding two negatie numbers, we treat as addition and add the minus sign in the end. Answer is .

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

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**Correct answer:**

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

### Example Question #34 : Negative Numbers

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**Correct answer:**

This is also the sum of two negative numbers. In this case, we add the numbers and then add a minus sign in the end. Answer is .

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