Link to YouTube Video: This video explains how to work with tree diagrams for probability. We explain how to use them to calculate probabilities for a combination of outcomes for more than one event and how to draw a tree diagram for a probability question.

Visual Algebra Series Video One: This video explores a different way to think about and visualise algebra using rods. In this video we use the rods to visually represent unknown values. We explore forming expressions and equations using these rods. There are two practice puzzles at the end of the video.

This video explains how to read inequality symbols; greater than and less than. We explain a quick tip to help you remember which one is which. Practice questions and answers are at the end of the video.

This video will explain how to find the circumference of a circle given the diameter or the radius. We show you how the formula is actually derived.

This video explains why the order of rotational symmetry of a circle is infinite.

This video explains sharing in a given ratio. Two sets of practice questions are provided at the end of the video.

This video explains what pentominoes are and provides four pentominoes puzzles and solutions. A great activity to develop your problem solving skills!

This video explains how to solve number riddles. 8 riddles of varying difficulty (and with answers) are provided for you to complete. Activities like this help to promote number sense and problem solving skills.

This video covers how to multiply out/expand single brackets, including brackets with powers and negative multipliers . Practice questions are at the end of the video.

This video explains what square numbers are and provides practice questions and answers.

This video explains what cube numbers are, what it means to cube a number and provides a range of practice questions and answers at the end of the video.

This short video shows you a quick trick which can be used for some mental multiplication questions. Looking at the whole question first, without initially working from left to right, can help reduce the load on short-term memory when doing mental arithmetic. Practice questions at the end of the video. Note this tip only works with certain problems but working this way encourages you to assess the question first and become more flexible when working with numbers.

This video explains what area is and how to calculate the area of a rectangle or square. The video uses a reversed task style of teaching. Practice questions are at the end of the video.

This video explains what a reciprocal of a whole number is and what a reciprocal of a reciprocal is. Practice questions at the end of the video.

This video explains how to partition numbers. This is an extremely important skill for both children and adults to have. It can greatly assist with mental arithmetic and being able to manipulate numbers. We cover addition and subtraction using partitioning. Practice questions are at the end of the video.