Search Virtual Teacher

Great MathsWebsites to Explore



How to make an 8 point transforming Ninja Star Use Zac Sideris Snap Guide

and follow the step by step instructions or watch the video.



Maths Investigation

How many different shapes?

How many of each shape?

How many sides in the Ninja Star?

How many vertex in the Ninja Star?

How Many Faces?

How many sides in the Octagon?

How many vertex in the Octagon?

How many Faces?



This is a great maths warm up activity and can be set to suit any stage. Grab the white boards and beat the clock.

This is a visual aid designed to be projected onto a white-board for whole class exposition. The calculations are generated randomly and you can vary the type of calculations that will appear. Use the slider above to vary the time the calculations remain on the screen.


TIMES TABLES SONG here's a great video to start the day with some times tables memorising.



Maths Chase is a completely free site where you can quickly test your times tables. The site is a very simple game but kids find it a really fun way to learn their times tables.


MATH MAGIC Spelling -VSauce a great magic trick with lots of maths you will need a pack of cards. Great for Stages 2 and up. Watch the video do the maths and go WOW!



A fabulous strategy for helping your kids develop number sense is by engaging in Number Talks.

This is a strategy where kids work out maths problems mentally, without written work, and then use a subtle hand gesture to indicate that they have found a solution. check out Jo's Talk on youcubed. Number Talks


THE PROBLEM mentioned in the video is 5 x 18 this is discussed in the Maths Talk and student's strategies illustrated on the whiteboard. An amazing array of mathematical thinking.


TAKE A LOOK The Dot Number talk as well



Check out the Exploding Dots series of maths investigations.  Do some uplifting mathematics?

Join more than 2 million students, teachers, and friends that already have tried this astounding mathematical experience! See mathematics like you've never seen it before and take part in a global math conversation with your students. Its a great experience and backup with loads of resources.



A Fabulous maths puzzle, which will test your number sense and problem-solving skills.

It can be either addition or multiplication.

Your task is to fill in the empty cells so that they

give the sum or product shown in each row or column.


The Japanese word Yohaku means white or empty space.  And I love to fill in empty spaces.


VISIT The Yohaku website


LEARN How to solve a Yohaku puzzle.


TRY Some Yohaku puzzles Here are some easy ones


We have been playing around with these for a few days and have absolutely loved them, they are quite addictive. The mathematical discussions taking place are amazing.


The strategies, solutions and techniques so varied.

Guess and check, start with the top corner, find the common factors, look for patterns.

See how you go with the ones below.



FLEXTANGLES are soooo!!! cool Splendid maths fun.



Flextangles are paper models that can be flexed to reveal hidden faces. They were originally created by Princeton graduate student Arthur Stone in 1939 and became a huge fad when Martin Gardner published them in The Scientific American years later. There is an incredible number of different flextangle types.


The kids loved making them but BEWARE they require persistence, careful and very firm creasing and patience.  Crease all the lines and dotted lines as per instructions very firmly and wait till the glue dries.


Lots of kids thought their Flextangles weren't working but they were. You do need to ease them in on the first few flexes, and patiently work them till they are moving easily.


After making them we had lots of discussions:

How many vertices?How many edges? How many shapes? And of course - PROVE IT.



Wind and Mr. Ug - Mobius strip

 A great introduction to the single sided Mobius Strip. Everyone will want to make one.



Learn your Times Tables in Just 5 days Great site with games and ideas for accomplishing this feat

Hit the button Great Game Topmarks iPad and Online Interactive Game


Pyramid Puzzle Great game for addition practice


Subtraction Game - Bowling Alley stage 2


Multiplication Don't cave in when it comes to learning the times tables.  Start digging your way to multiplication mastery. Great site to learn multiplication tables with games. Check out the iPad friendly online Games at this site and the Multiplication mastery videos and ideas.


Teaching Multi-Digit Multiplication


Khan Academy Khan Academy Watch the VIDEOS at this site and then then the practice sections - they also enable you to write on the screen.


Maths Antics Great Explanation Video


Place Value

Place Value Interactive - Fabulous



All About Fractions

Dozens of colorfully illustrated pages with explanatory lessons and interactive practice games


Googol and Googolplex We're talking pretty big numbers here... And an interesting idea about what it'd be like traveling in a Googolplex-sized Universe!



Numberfile on Youtube




Ever wanted a new spin on Graphing - well here is.

Google Labs' Ngram Viewer. It's an addictive tool that lets you search for words and ideas in a database of 5 million books from across centuries. When you enter phrases into the Google Books Ngram Viewer, it displays a graph showing how those phrases have occurred in a corpus of books (e.g., "British English", "English Fiction", "French") over the selected years. Let's look at a sample graph - Here is a graph from someone studying various forms of frustration from the one 'a' argh to the 4 'a' aaaargh.



Erez Lieberman Aiden and Jean-Baptiste Michel show us how it works, and a few of the surprising things we can learn from 500 billion words.

IN THIS TED LECTURE - (suitable for stage 2 up particularly the back end of the Lecture).



Rolling  Yahtzee  1,296 and Yahtzee - Numberphile

Play Yahtzee Online


Generate Yahtzee Score Sheet Online

Yahtzee Score Sheet


Simplified Yahtzee  Score Sheet Stage 1 and 2 (.docx file)


AMAZING Dice Rolls - Numberphile - Viewer supplied Yahtzee rolls


Connect Four - Numberphile Work out how to win this game


Why do YouTube views freeze at 301? Numberphile pays a visit to YouTube and learns the secret  behind one of the website's famous idiosyncrasies - why view counts on new videos often freeze at 301.


Probability - The Monty Hall Problem

The Monty Hall Problem is a brain teaser based on the popular game show, Let's Make a Deal.

The folks at Numberphile explore the famous problem which posits if a contestant should switch

doors in order to find the car amongst the goats.

This is great one to act out with your students.

HexaFLEXagons take a look at the Video. In geometry, flexagons are flat models, usually constructed by folding strips of paper, that can be flexed or folded in certain ways to reveal faces besides the two that were originally on the back and front. How to make a Hexaflexagon - instructions here. Black line template for Hexaflexagon, Hexaflexagon Folding Instructions and also template upload for images for Personalised hexaflexagon.


Simple WIKIHOW instructions for folding a hexaflexagon.


Math Improv: Fruit by the Foot Playing mathematically with fruits by the foot.

Other maths ideas

Conrad Wolfram: Teaching kids real math with computers

Maths is more important to the world than in any other time in history. From rockets to stock markets, many of humanity's most thrilling creations are powered by math. So why do kids lose interest in it? Conrad Wolfram says the part of math we teach -- calculation by hand -- isn't just tedious, it's mostly irrelevant to real mathematics and the real world. He presents his radical idea: teaching kids math through computer programming.



Computational Knowledge Search Engine

WolframAlpha answers questions that people might have not by searching available knowledge but by computing using built in knowledge and details, and providing new answers to specific questions.

Elementary Maths Examples

Check out the general examples page to get some ideas.

Give your brain a quick work out with WolframAlpha

See what amazing results you get when you just type in your first name - you  will love it.


Arthur Benjamin The magic of Fibonacci numbers

Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series. (And reminds you that mathematics can be inspiring, too!)


Marcus du Sautoy: Symmetry, reality’s riddle

Mathematician Marcus du Sautoy takes you inside the universe’s native language — symmetry.

Fabulous TED talk on Symmetry - great for upper primary and secondary. From beautiful upside-down columns to the mind-boggling number of symmetries in a Rubik’s Cube, he shares some of the brightest (and darkest) moments in the history of humanity’s fascination with symmetry.




A Brief History of Mathematics

Professor Marcus du Sautoy argues that mathematics is the driving force behind modern science. Ten fifteen minute podcasts that reveal the personalities behind the calculations from Newton to the present day. How do these masters of abstraction find a role in the real world? Fabulous.


Illuminations (National Council of Teachers of Mathematics)

This is a fantastic site - just what you have been looking for - interactive maths activities online. Spanning the entire K-12 range, this great resource includes:


Illuminations latest edition is Calculation Nation and play some really interesting mathematical games that require thinking and concentration rather than just calculation. You can play against other online gamers once you register but test it out as a guest.


A Fantastic Maths Dictionary for Kids - Interactive works every time by Jenny Eather


The Frightening World of Mathematics

World Population Growth and Exponential Functions

Current World Population large updating number - perfect for EWB


Mathematics of Beauty

Maths Behind Beauty

What has mathematics got to do with beauty? Actually, a lot. Physical attraction depends on ratio.

Our attraction to another person's body increases if that body is symmetrical and in proportion. Likewise, if a face is in proportion, we are more likely to notice it and find it beautiful.



Interactive Math

Pi has excited mathematicians for thousands of years. Why all the interest?

Approximating Pi with Inscribed Polygons Wolfram Alpha Interactive



Clock for digital and analogue time Stage 2 - 3


Video Explaining Time - Stage 1

Video History of Time British Museum - Stage 1 - 3


Kindergarten Clock Song
Days of the Week Song(Adams Family) - Stage 1

Months of the Year Song Stage 1


Draw a Clockface

How to draw a Clock

How to Draw a Funny Clock

How to Draw and Alarm Clock




iCAN Count Money Australia - Great little app for kids - with 6 games and 5 different levels in each. Suitable for stage 1 and 2


Stage 1 Videos

Australian Coins Lesson 1 This video is a lesson for students on recognising the characteristics and value of Australian coins.(1.37)

Australian Coins Lesson 2 This video shows the different ways of writing an amount of money. How to write money in different ways.

Australian Money - Notes (2.52mins) Recognising Australian notes



How Much money up to $1.00

Count money up to $5.00

How much money 5c and 10c coins

Count coins

Do you have enough money



Printout Money worksheets including realistic coin and note manipulative in Australian Dollars and many other currencies.

Book Dr Seuss


***** Gigafloppingly Brilliant TESSELLATIONS *****

Mathematicians define "tessellate"  as covering a plane with a pattern, and it is a concept that interests scientists and artists, as well as mathematicians.


Intriguing Tessellations

Marjorie Rice discovered four new tessellating pentagons in the late 1970's.


Tessellating Animation

Japanese artist Makoto Nakamura has taken tessellations a step beyond the plane with his awesome animations.  See his tessellated birds fly, his tessellated fish swim, and his

tessellated dancers dance.  Next, visit Nakamura's Jigsaw Puzzles reassemble tessellated cats, pigeons, gorillas and more.



M.C. Escher,the Dutch artist and father of modern-day tessellations. Includes many of his images.


What is a Tessellation?

This Math Forum page is a great introduction to tessellations.



Interactive, make online tessellations.


Draw your own Tessellations Great tutorial. Use some thickish paper approximately 100 x 100.



Fractals - Hunting The Hidden Dimension - NOVA

Link this up to Pythagoras Tree - Wolfram Alpha  or Triangle Fractal




Platonic Solids V-Sauce Mysterium Cosmographicum



Great video for stage 2 and over. For 2D shapes and 3D platonic solid - tetrahedron, cube, octahedron, dodecahedron, or icosahedron, a polytope is regular if all of its elements are alike.



MathTacular3-What's Your Angle - Great Youtube Video on Human angles.


Angles - Fabulous interactive site for all those acute, and obtuse problems. Stage 2-3

Fabulous Angles Video from Shmoop


Shmoop on Triangles great video


Guess the Angle interactive - Stage 3L

3D Shapes Great site great info great video. "The Revenge of the Triangles"


3D Shapes Nets, grid paper spinners etc


Augemented Reality 2D nets to 3D shapes - Fabulous. Download App  iClass Shapes + download the PDF for the shape. Just play with the interface or download the lesson.


Story of Flatland

A famous mathematics story, I just love it. "Be patient, for the world is broad and wide."

Flatland the Movie The Film (2007) (1 hour and 307 minutes))

Flatland the Movie Trailer is a great teaser video(2mins)


Pythagoras Theorem



Competitions + Problem Solving


Dr Math POWS - Problems of the week


Ask Dr Math Your problems you never have to have a problem you can't solve again at Swarthmore. This is a great place to investigate. And you can get a weekly BEATCAL email giving you the great maths trick of the week.


NRICH Enriching Mathematics site has age appropriate problems and this site also has a news letter and many other links - well worth a look.

List of Problems for Stage 1

List of Problems for Stage 2

List of Problems for Stage 3

List of Problems for Stage 4

List of Problems for Stage 5

Lower Primary Live Problems

Pairs of Numbers Problem - Lower Primary

The Amazing Splitting Plant - Lower Primary

Maze 100 Middle Primary

Problem 14 - Stage 3

Sums and Differences - Middle Primary

Working Systematically - List of Problems various stages


Historical Maths


Cool site for Egyptian Calculator

Translates into hieroglyphics, does mathematical calculations online, excellent site.  Includes 16 other terrific interactive Ancient Egyptian activities.

Egyptian Numbers Symbols


Biographies of Women Mathematicians very comprehensive



Interactive Maths K-12 deals with all strands of maths with simple manipulative java scripts.


AAA MATH Hundreds of pages of Basic Math Skills. Interactive Practice on every page.

An Explanation of the math topic on each page. Several Challenge Games on every page.


Penta Play Game with Pentominoes


The Game of Nim


Math Practice


CoolMaths 4 Kids

Choose from multiply divide, add, and subtract


Online Maths Quizzes

The site provides math quizzes for teachers and students. You can create a quiz and select the range of numbers you'd like to use. Students can grade the quiz online and generate new problems for more practice. Sent in by John


Maths Sites for Parents

Jump Start for Kids - great site for resources in Maths and Reading particularly for parents.




© Cathy Brown 1998 - 2019