This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q19, which involves bounds. By using algebraic manipulation and rounding to the correct number of significant figures, we will work through the...

This nugget explains the calculations involving significant figures and dimensional analysis method.

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...

Three people push on a door. We determine the net torque.

This video provides an explanation of the phenomenon of total internal reflection, which occurs when a wave travels from one material to another and is reflected back instead of refracting. The video also explains how to calculate the...

The rules of Significant Figures (or Digits) with several examples and a common mistake. Also a few Scientific Notation Examples.

Field lines, potentials, equipotential lines and potential gradients – they sound similar but mean different things! With all these confusing terms, it would be much easier to kick back and watch some soccer (football). In fact, why...

Long Jane Silver landed a sweet cocoa deal with a local farmer, Senor Ortega. But when a supply ship barely survives a storm, the pirates and Ortega join forces to save the cocoa farm! This lesson will unearth the steps in gravimetric...

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...

In this video, the presenter teaches how to calculate the volume of cones, spheres, and pyramids. The shapes are introduced and explained, and the important formulas for calculating their volumes are provided. The presenter uses examples...

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...

We’ve all heard the saying, “what goes up must come back down.” But when we launch rockets and satellites into space, they (usually) don’t come back! Let’s prove this saying wrong, using Physics! This lesson will introduce and derive...

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...

In this video, we will explore the following:

1) How to determine the number of significant figures in a nu
mber.
2) How do Add and Subtract, while answering with the correct number of significan
t figures.
3) How do...

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,...

Watch Cookie struggle after the pirates had a late night out on the seven seas. They should be awake after eating 90% dark chocolate and drinking a strong (10 000%) coffee! This lesson will introduce the technique of gravimetric...

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...

Upper & Lower Bounds | Number | Maths | FuseSchool



In this video we discover what bounds. All measurements are approximate. Measurements are given to the nearest practical unit, like a cm or mm or gram. There is then a group...

The importance of showing all your work when doing physics cannot be overstated. I explain and demonstrate why.

It gives idea about Scientific Notation & rules to solve the numerical based on it.