### Pre-Algebra Practice Questions: Comparing Fraction...

Cross-multiplication is a handy tool for finding the common denominator for two fractions,...

In Pre-Algebra

Cross-multiplication is a handy tool for finding the common denominator for two fractions,...

In Pre-Algebra

When dealing with simple algebraic expressions, you don’t always need algebra to sol...

In Pre-Algebra

You can solve algebraic equations by isolating x—that is, by getting x alone on one side...

In Pre-Algebra

A quick method for solving algebra problems is to re-arrange the equation by placing all x...

In Pre-Algebra

When an algebraic equation contains fractions, you can use cross-multiplication to solve t...

In Pre-Algebra

To find the volume of a prism or cylinder, you can use the following formula, where Ab is...

In Pre-Algebra

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

In Pre-Algebra

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

In Pre-Algebra

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

In Pre-Algebra

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

In Pre-Algebra