Angle Theorems

Theorem 1 Theorem 2 Theorem 3
Theorem 4 Theorem 5 Theorem 6
Theorem 7 Theorem 8 Theorem 9

Click on a picture above for a large version and interactive model or show a theorem at Random.

When you think that the angle theorems are understood head for an Angle Activity.

Featured Activity

Bidmaze

Bidmaze

Find your way through the maze encountering mathematical operations in the correct order to achieve the given total. This is an addictive challenge that begins easy but develops into quite a difficult puzzle.

This is a Shine+Write visual aid designed to be projected onto a whiteboard for whole class exposition.

You can find other popular visual aids on our Shine+Write page.

Find out about the latests developments on this website by signing up for a Transum Subscription. You will receive a regular newsletter and have access to the answers to most of the puzzles and activities on this site.

Suggested

Remainder Race

Remainder Race

A game involving chance and choice while calculating the remainder when a two digit number is divided by a single digit number.

The short web address is:

Transum.org/go/?to=remainder

Idan Tal, Twitter

Tuesday, April 16, 2019

Suggested

Online Logo

Online Logo

An online version of the Logo programming language with 30 mathematical challenges.

The short web address is:

Transum.org/go/?to=logo

Recently Updated

Shapes In The Stars

Shapes In The Stars

Join up the stars to find the hidden regular polygons. So far this activity has been accessed 78866 times and 357 people have earned a Transum Trophy for completing it.

Suggested

Go Figure

Go Figure

Arrange the digits one to nine to make the four calculations correct.

The short web address is:

Transum.org/go/?to=gofigure

Transum.org is a proud supporter of the kidSAFE Seal Program