A Maths Dictionary for Kids

This week we review A Maths Dictionary for Kids and Maths Charts by Jenny Eather


A Maths Dictionary for Kids is an animated, interactive online maths dictionary for students which explains over 600 common mathematical terms and maths words in simple language.

The site also includes over 200 printable Maths Charts.

Jenny Eather has created a number of useful tools such as Writing Fun and Rainforest Maths. These used to be free but are now a part of Mathletics and Spellodrome paid subscriptions. We hope A Maths Dictionary for Kids remains free!

Why we like A Maths Dictionary for Kids:

  • It is free
  • No login is required
  • It is web based and can be used on Mac/PC etc.
  • You can print content from the dictionary and print posters for your classroom
  • The dictionary use can be teacher or student led
  • It is very easy to use and has a clear layout in alphabetical order
  • The information is very clear and easy to understand
  • It can be used by students starting from lower-middle primary right up to high school


How to use A Maths Dictionary for Kids:

1. Go to http://www.amathsdictionaryforkids.com/ and click on enter here to get started.

2. Find the maths term you’re looking for by first choosing the letter it starts with on the left hand side and then looking through the alphabetical list of terms.

3. Click on the term you’re looking for and view the definition and example on the right hand side.

For example, if you click on Aa and then click on area, you will be shown a definition and an interactive activity. You will be prompted to drag the shapes over the grid and count the square units. All definitions are accompanied by an interactive activity, example or quiz.

4. If you’d like to print the information on the screen, simply click on print down the bottom of the page.

5. To access the maths charts, simply visit http://www.amathsdictionaryforkids.com/ and click on maths charts. 

6. Follow the instructions that appear on the screen.

7. Here is an example printable chart on odd and even numbers.


Using A Maths Dictionary for Kids in the Classroom:

At my school, two of our numeracy focusses are

  • developing our students’ mathematical language
  • maintaining a dynamic and resourceful numeracy wall in the classroom

I have found A Maths Dictionary for Kids to assist with both of these areas in my grade four classroom.

I use the dictionary regularly in the introduction to my maths lessons to define new vocabulary. I also sometimes use it in my lesson closure to review the language covered in the lesson.

I regularly use the printable maths charts as part of a topical display on my classroom numeracy wall.

A Maths Dictionary for Kids could be used in the following ways:

  • Students could use it as a reference to create their own personal dictionary of maths language covered in their classes.
  • The class could create a collaborative dictionary of maths language covered throughout the year, using A Maths Dictionary for Kids to assist with definitions.
  • Students could independently refer to A Maths Dictionary for Kids during maths lessons or while completing homework if they are unsure of any terms.
  • A Maths Dictionary for Kids could be used as part of the introduction or closure of a maths lesson.
  • For revision, students could write their own definitions for a set of maths terms and then compare them to the definitions on A Maths Dictionary for Kids. 
  • The printable maths charts could be used as a classroom display, sent home as a study reference for students or used as a teaching tool in lesson introductions.


How else could you use A Maths Dictionary for Kids in the classroom? Have you tried it? Leave a comment and let us know!

Tip: click on the title of this post and scroll down to find the comment box.

Good luck using A Maths Dictionary for Kids and look out for the next edition of Tech Tools for Teachers soon!

Simon, Kathleen and Matt


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