The video is a lecture on simple interest in financial mathematics. The presenter explains the concept of simple interest and how it is used to calculate interest for a period of time at a particular rate of interest. The formula for...

This video is a lecture presentation on how to perform binomial expansions for positive integers of n. The presenter explains how to expand binomials using Pascal's triangle and also introduces a calculator button that can be used to...

Use this quick calculator trick to help you generate the table of values, giving you the coordinates to plot onto a graph. Your calculator saves you time, and means you will not make mistakes substituting in values into the equation.

This video covers exam strategy, Algebra, Multiplying, Quadratic Equations. This is part 9 from the series 'Introduction to the Math Section of the SAT'.

Learn how to calculate and interpret the correlation coefficient using technology. The correlation coefficient measures the strength of the linear association between two variables, and its value falls between -1 and 1. The video...

Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....

This video provides a tutorial on solving standard form problems in mathematics. The instructor explains the key steps involved in deciphering word problems, highlighting important terms, and carrying out operations such as addition,...

This video is an educational presentation on how to calculate the area of a triangle using the formula 1:2 ab sinC. The video provides a step-by-step guide on how to use the formula, including practical examples and a proof for the...

This video explains how to obtain a random sample from a population using different methods such as drawing names or numbers, using a table of random numbers, or a random number generator on a calculator or computer. It emphasizes the...

Master composing inverse trig functions

Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...

Jonny Heeley inspires a group of gifted and talented KS2 students with an active lesson about decimals. Teaching Award winner Jonny Heeley inspires a group of gifted and talented KS2 pupils with an active lesson about decimals. With an...

👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...

This animated math video lesson is all about adding numbers 0-100. Students will love this engaging and interactive video that takes them step-by-step on how to put numbers together and solve addition problems in a fun way.

What is the formula a pyramid? How do you calculate the volume of a pyramid? Volume Of Prisms And Pyramids, Part 5

This video teaches students how to determine if their answers make sense by using estimation before solving problems. It emphasizes the importance of understanding units and thinking about the context of the problem to avoid making...

👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...

An approximation is anything that is similar, but not exactly the same as something else. For example, if you were to say a 57 minute journey would take “about an hour”, you would be approximating. A value can be approximated by...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

This video provides step-by-step instructions on how to graph a quadratic function using a graphing calculator. The presenter explains the benefits of using a graphing calculator and walks through the process of inputting the equation...

👉 Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...

Learn how to represent polar points in multiple ways. Recall that angles that are coterminal are exactly the same. So, we can represent polar points in multiple way by representing its coterminal angles. One of the closest coterminal...

This video covers exam strategy, Algebraic Word Problems. This is part 11 from the series 'Introduction to the Math Section of the SAT'.

In this video, the teacher discusses the concept of sampling distributions and how to approximate them using simulations. The example used is about a high school surveying students' opinions on increasing graduation requirements for math...