Mathematics Monster

Welcome to Mathematics Monster

Hi, and welcome!

Mathematics Monster has hundreds of step-by-step lessons (all with tests, games, or interactive widgets). There are also A-Z glossaries of mathematical terms and symbols. If you're looking to teach or master a specific topic, you might find our topic-themed sitemap helpful. (There is also a handy search bar above.)

On Mathematics Monster (#MM), there is no log-in, and everything is free! There are a couple of ads, and that's how I fund the site. (There are no ads in the lesson content. None. Not one.)

This is the sister site of Grammar Monster.

Are You Good at Mathematical Symbols?

Do you know, or can you guess, the technical mathematical symbols? Well, let's see!
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• This test has questions.
• A correct answer is worth 5 points.
• You can get up to 5 bonus points for a speedy answer.
• Some questions demand more than one answer. You must get every part right.
• Beware! Wrong answers score 0 points.
• 🏆 If you beat one of the top 3 scores, you will be invited to apply for the Hall of Fame.
Scoring System

Guru (+)
Hero (+)
Captain (+)
Sergeant (+)
Recruit (+)

Interactive Game on Prime Numbers

Here is an example of an interactive game. This one helps you to learn about prime numbers.
• You are the fish.
• Pop the bubbles with prime numbers to collect red hearts. You need five to win.
• If a bubble with a prime number reaches the top, you will lose a red heart.
• Avoid the bubbles with composite numbers (i.e., non-prime numbers). If you pop one, you will lose one of your three lives.
• Good luck!
• The fish moves towards your clicks. (Hint: The farther the distance, the faster it moves.)

More Games...

We have more games just like this one! Play similar games on:

Easier Games...

We have games that are easier to play too. Here are some examples:

Harder Games...

We have harder games. Here are some examples:

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Are You Good at Linear Equations?

Can you identify a linear equation from its graph?

Take a test.