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