Pupil outcome: I can calculate percentage changes (decrease). Key learning points: - A bar model can be used to find a percentage decrease. - A double number line can be used to find a percentage decrease. - A ratio table can be used to...

Pupil outcome: I can calculate percentage changes (increase). Key learning points: - A bar model can be used to find a percentage increase. - A double number line can be used to find a percentage increase. - A ratio table can be used to...

Pupil outcome: I can analyse a claim using estimation to assess validity. Key learning points: - Estimation can be used in place of non-specified values. - Claims should be checked to see whether they make sense.

Pupil outcome: I can carry out compound interest calculations where the percentage changes. Key learning points: - By considering the calculations for compound interest, you can be more efficient. - Through understanding the structure,...

Pupil outcome: I can calculate compound interest rates given start and end values. Key learning points: - If the compound interest rate is fixed but unknown, you can calculate it. - To calculate it you need to know the start and end...

Pupil outcome: I can use my knowledge of direct and inverse proportion to solve problems. Key learning points: - Algebraic manipulation is needed to solve proportion problems. - Proportional relationships can be modelled graphically and...

Pupil outcome: I can increase an amount by a given percentage. Key learning points: - In all of these representations a single multiplier can be used to find a percentage increase. - Representation can help when you are not using a...

Compound Interest | Numbers In this video we’re going to look at compound interest. If you have a savings account and deposit some money, the bank will pay you extra money as a sort of thank you for saving with them. You are effectively...

Cost structuringis a key assumption when conducting a Cost Volume Profit Analysis. This video explains the relevance of this assumption.

This video provides four practice GCSE Maths questions and answers for the higher tier, non-calculator paper. We also explain how to get full marks for each question.

This video covers:

- How to increase or decrease a number by a given percentage. We cover 2 met
hods:
1) Find the percentage change, and then add or subtract it from th
e original
2) The mu

ltiplier method

This...

This video covers how to find the percentage increase or percentage decrease when a value has gone up or down.



This video is suitable for maths courses around
the world.
KS3 - All
on your course
GCSE Foundation -...

Cost structuringis a key assumption when conducting a Cost Volume Profit Analysis. This video explains the relevance of this assumption.

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...

Many people seem to struggle with formatting percentages in Microsoft Excel, with 100% seemingly equivalent to 1000% or more! In this tutorial I'll explain what's really going on, how to use the percentage tool correctly, demonstrate why...

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...

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 shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q3, which involves percentage increase problems. Students will understand the concept of percentage increase and how to calculate it. They will...

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q12, which involves calculating percentage increases.

In this video, the presenter talks about the concept of purchasing power in the context of gross domestic product (GDP) and economic growth. He explains the importance of adjusting for inflation and population changes to improve economic...

In this video we are going to look at how to do percentage increases and decreases, using multipliers. You should already know what percentages are, and how to find them. Example: A train ticket costing £40 is reduced by 20%. What is the...

In this video, we will teach viewers how to solve for unknown percentages using various methods, including the bar model, table, and proportion. We will walk viewers through three examples, including how to calculate the percentage...

This video explains the concept of reverse percentages, which involve finding the original value after an increase or decrease has occurred. The instructor demonstrates how to use percentages to calculate the original value, using...

It explains percentage as parts per hundred. It also explains how to convert ratios to percentages and how to calculate the increase or decrease in a value as percentage.