Algebra 1Pre-Algebra

Pre-Algebra

Here you can learn about:

Patterns...

Pattern Match Patterns
Number Patterns

Big and small numbers ...

  1.23 Place Value
Decimal Numbers
Rounding
Scientific Notation

Handling negative numbers ...

  plus,plus Add and Subtract Positive and Negative Numbers
Multiplying Negative Numbers

Doing Calculations ...

Associative, Commutative and Distributive Laws
Order of Operations - PEMDAS
, or BODMAS
Open and Closed Sentences
Reciprocals
Absolute Value

Using Inequalities (less than, greater than) ...

  Equal, Greater or Less Than
Comparing Numbers

Using Exponents ...

  42 Squares and Square Roots
What is an Exponent?

Negative Exponents

Factors and Multiples ...

  3 x 2 = 6 Factors and Multiples
Greatest Common Factor
Least Common Multiple

Ratios and Proportions ...

Ratios
Proportions

Fractions and Percents ...

  % Fractions
Percents

Rational and Irrational ...

    Rational and Irrational Numbers


How to Estimate answers ...

  ? Introduction to Estimation
Estimation Tips and Tricks
Visual Estimation
Estimation Games

 

Some examples using Pre-Algebra ...

Here are some subjects where you can use your new skills:

    Celsius and Fahrenheit
Interest