A video entitled "Percent Change and Error" which shows how to calculate how big of a change occurred based on where the starting point was.

Pupil outcome: You can explain how to use multiplication and division to calculate unknown values with two variables. Key learning points: - Bar models can represent unequal sharing or many to many sharing. - Representations show the...

Pupil outcome: I can find the original amount when given a fraction and the result. Key learning points: - To find the original amount, the result is divided by the fraction. - This can be seen visually through use of a bar model. - A...

Pupil outcome: I can use my knowledge of percentages to solve problems. Key learning points: - A context can be evaluated to determine what sort of percentage calculation is involved. - As percentages can be written as fractions and...

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 carry out simple interest calculations with a calculator. Key learning points: - Calculators are very useful here as they can be programmed efficiently. - This saves time and can reduce error. - It is also quick to...

Pupil outcome: I can carry out compound interest calculations. Key learning points: - Compound interest is recalculated at each stage. - By considering the calculations for compound interest, you can be more efficient. - Through...

Pupil outcome: I can appreciate the difference between simple interest and compound interest. Key learning points: - Repeated percentage change occurs in real-life. - Simple interest is calculated once and then added repeatedly. -...

Pupil outcome: I can carry out simple interest calculations. Key learning points: - Simple interest is calculated once and then added repeatedly. - By considering the calculations for simple interest, you can be more efficient. - Through...

Pupil outcome: I can find the percentage increase or decrease given start and finish quantities. Key learning points: - The percentage change can be found using a bar model. - The percentage change can be found using a double number...

Pupil outcome: I can use my enhanced knowledge of sequences to solve problems. Key learning points: - Compound interest can be thought of as a geometric sequence. - You can apply your knowledge of geometric sequences to solve compound...

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

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...

Pupil outcome: I can use my enhanced knowledge of sequences to solve problems. Key learning points: - Compound interest can be thought of as a geometric sequence. - You can apply your knowledge of geometric sequences to solve algebraic...

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

Percent Increase: Fraction to Percent demonstrates solving percent increase problems by changing a fraction to a percent.

Percent Decrease: Decimal to Percent explains how to solve percent decrease problems by changing a decimal to a percent.

Percent Decrease: Fraction to Percent shows how to solve percent decrease problems by changing a fraction to a percent.

Percent Increase: Decimal to Percent demonstrates solving percent increase problems by changing a decimal to a percent.

In this video, the teacher explains how to write a percent decrease as a multiplication problem. Using examples of items on sale, the teacher demonstrates how to represent the original price, the discount, and the sale price as...

Graph the Inverse of a Function

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 teacher explains how to use multiplication to find a percent increase. They demonstrate how to write a percent increase problem as a product of the original amount and provide examples to illustrate the concept.

Learn how to write an equation that represents the proportional relationship between the original amount and the final amount. Using the example of a bike's price changing from December to June, the teacher demonstrates how to find the...