# 9 Pre-Algebra Tutorials

These Pre-Algebra tutorials are written by experienced educators, all of whom also offer private tutoring lessons. Get the Pre-Algebra help you need, whether through these tutorials or through private tutoring lessons.

Math Tutorials (53)

All Tutorials (148)

## Multiplication of Real Numbers

What are the rules for Multiplying Real Numbers? 1. Positive x Positive = Positive 2. Negative x Negative = Positive 3. Positive x Negative = Negative 4. Negative x Positive = Negative These rules apply to all Real Numbers – Whole Numbers; Decimal Numbers; Fractions

## Operation on Functions

The following are the operations on Functions: a. for the sum f+h, (f+h)(x)=f(x)+h(x) b. for the difference, (f-h)(x)=f(x)-h(x) c. for the product, (f*h)(x)=f(x)*h(x) d. for the quotient, (f/h)(x)=f(x)/h(x)

## Simplifying or Reducing Fractions to Lowest Terms

Simplifying or Reducing Fractions to Lowest Terms

## Rounding

To round a number, you must look at the place value that is requested and use the number to the right of that one to determine what your answer looks like.

## Beginner Algebra

This tutorial is to introduce students to the concept of having a variable in a problem. A variable can be identified as a letter such as X or Y in an equation. The goal for the equation with a variable is to figure out what the variable’s value is. In this equation we will be…

## Multiplying multiples of 10

A simple trick to multiplying numbers ending in strings of zeroes (multiples of 10)

## Order of Operations Practice Problem

The order of operations can be tricky. A key to ensuring computation is accurate, is to review the order of operations. This problem has a twist that also involves calculating negative numbers.