# Pre-Algebra

### Pre-Algebra Practice Questions: FOILing with Two S...

When an expression has two sets of parentheses next to each other, you need to multiply ev...

### Pre-Algebra Practice Questions: Finding the Volume...

The formula for the volume of a pyramid is the same as for the volume of a cone. In this f...

### Pre-Algebra Practice Questions: Applying the Engli...

The English system of measurement is most commonly used in the United States. If you were...

### Identifying Divisibility by Looking at the Final D

You can tell whether a number is divisible by 2, 5, 10, 100, or 1,000 simply by looking at...

### Use Rectangles to Identify Composite Numbers

Some numbers can be placed in rectangula...

### Use a Pie Chart to Find Percentages and Amounts

A pie chart, which looks like a divided...

### The Three Types of Average – Median, Mode and Me

We use three different types of average...

### The Elements of Number Sets

The things contained in a set are called elements (also known as members). Consider these...

### The Basics of Working with Exponents

Exponents (also called powers) are shorthand for repeated multiplication. For example, 23...

### The Basics of Pie Charts

A pie chart looks – you’ve guessed i...

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