Pre-algebra lessons

Basic math word problems, math brain teasers, and basic math games 

Basic math word problems

Basic math puzzles 

What is a leap year?
This topic requires only basic math. However, the level of sophistication will amaze you!

Cool math tricks
Learn to solve arithmetic problems fast

Fun online math games
A very interactive way to learn math and have fun at the same time.

Basic mathematics games
More interactive math games

Interesting and challenging pre-algebra topics

Ancient numeration system
Interesting topic for students in elementary school and middle school.

Names of very big numbers

Comparison word problems

Units of time

Classification of numbers

Math problem solving strategies

Convert square feet to acres

Useful basic math formulas, worksheets, and calculators


  • Learn to add, subtract, multiply and divide whole numbers, decimals, fractions.
  • Use proportion and percents to solve real life problems
  • Round and estimate numbers
  • Explore metric and customary units
  • Solve tricky arithmetic problems
  • Solve word problems
  • And more!

Recent Articles

  1. Fundamental Counting Principle

    Jun 06, 23 07:32 AM

    Multiplication principle and addition principle
    The fundamental counting principle is introduced in this lesson. Learn how to count with the multiplication principle and the addition principle.

    Read More

  2. 45-45-90 Triangle

    May 01, 23 07:00 AM

    45-45-90 triangle
    What is a 45-45-90 triangle? Definition, proof, area, and easy to follow real-world examples.

    Read More

Tough algebra word problems

100 Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

Math quizzes


Math vocabulary quizzes