Instructional Video23:35
Curated Video

Problem solving with percentages and proportionality

Pre-K - Higher Ed
Pupil outcome: I can use my knowledge of percentages and proportionality to solve problems. Key learning points: - Representations can support problem solving. - Direct proportion can be used to solve real life problems. - Inverse...
Instructional Video25:03
Curated Video

Use the language of equivalent fractions correctly

Pre-K - Higher Ed
Pupil outcome: I can use the language of equivalent fractions correctly. Key learning points: - Equivalent fractions have different numerators and denominators but represent the same value. - Equivalent fractions have the same position...
Instructional Video21:24
Curated Video

Determining the part

Pre-K - Higher Ed
Pupil outcome: I can determine one part, given the other part and the ratio. Key learning points: - It is not necessary to calculate the total original amount. - Different representations have different limitations. - A bar model can be...
Instructional Video19:17
Curated Video

Dividing a quantity into a given ratio

Pre-K - Higher Ed
Pupil outcome: I can divide one quantity into a given ratio. Key learning points: - Context can make it easier to divide a quantity into a given ratio. - Bar models can help to represent a situation. - It is important that the parts are...
Instructional Video24:12
Curated Video

Use the relationship between the numerator and denominator in equivalent fractions to solve problems

Pre-K - Higher Ed
Pupil outcome: I can use the relationship between the numerator and denominator in equivalent fractions to solve problems Key learning points: - If the multiplicative relationship between the numerator and denominator is the same, the...
Instructional Video22:37
Curated Video

Problem solving with fractions and decimals

Pre-K - Higher Ed
Pupil outcome: I can use my knowledge of fractions and decimals to solve problems. Key learning points: - Fractions can be used to solve problems in context. - Converting to decimals may be useful to solve problems in context. - It may...
Instructional Video18:21
Curated Video

Determining the whole

Pre-K - Higher Ed
Pupil outcome: I can determine the whole, given one part and the ratio. Key learning points: - A bar model can help to represent the situation. - A ratio table can also be used to help show the multiplicative relationship. - Both...
Instructional Video25:40
Curated Video

Describing more conversions with ratio

Pre-K - Higher Ed
Pupil outcome: I can use ratio to describe conversions. Key learning points: - Maps are a practical example of a multiplicative relationships. - The scale factor is the multiplier. - Multipliers have been used in previous learning, such...
Instructional Video26:07
Curated Video

Changing ratios

Pre-K - Higher Ed
Pupil outcome: I can find quantities given a change in the ratio. Key learning points: - It is important to preserve the relationship between the parts of a ratio. - Changing this relationship would change the ratio. - When the ratio...
Instructional Video26:03
Curated Video

Finding the percentage change

Pre-K - Higher Ed
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...
Instructional Video26:54
Curated Video

Checking and securing understanding of real world ratios

Pre-K - Higher Ed
Pupil outcome: I can apply my knowledge of ratios to real world contexts. Key learning points: - Bar models, ratio tables and double number lines can help with ratios. - Real-life scaling involves writing a ratio involving the parts...
Instructional Video27:10
Curated Video

Securing understanding of percentages

Pre-K - Higher Ed
Pupil outcome: I can manipulate percentages of an amount with a representation. Key learning points: - Percentages of amounts can be found by combining known percentages - Percentages of amounts can be represented and found using a bar...
Instructional Video26:51
Curated Video

Understanding advertising

Pre-K - Higher Ed
Pupil outcome: I can analyse promotions and marketing claims. Key learning points: - Promotions do not always offer the best value for money. - Advertisements often use data to make their point. - The validity of the data and conclusions...
Instructional Video29:10
Curated Video

Checking and securing understanding of percentage decrease

Pre-K - Higher Ed
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...
Instructional Video29:32
Curated Video

Combining ratios

Pre-K - Higher Ed
Pupil outcome: I can combine ratios. Key learning points: - There may be a relationship between quantities A and B and a relationship between quantities B and C - Therefore there is a relationship between A and C - If A : B and B : C...
Instructional Video29:53
Curated Video

Direct proportion in context

Pre-K - Higher Ed
Pupil outcome: I can recognise direct proportion in a range of contexts, including compound measures. Key learning points: - Direct proportion can be used in a number of contexts. - One context is converting compound measure. - Another...
Instructional Video30:49
Curated Video

Interpreting pie charts

Pre-K - Higher Ed
Pupil outcome: I can interpret pie charts. Key learning points: - Knowing the angle size for a sector allows calculation of the frequency. - By knowing the total, statements can be made comparing the data. - Different pie charts may have...
Instructional Video29:53
Curated Video

Basic 3D sketching

Pre-K - Higher Ed
Pupil outcome: I can draw citrus fruit juicers using the crating technique. Key learning points: - The crating technique can be used with isometric and perspective sketching. - When using the crating technique, it is important that the...
Instructional Video31:12
Curated Video

Proportions and scale: papers and boards

Pre-K - Higher Ed
Pupil outcome: I can determine and justify the size of my design. Key learning points: - Design decisions are justified. - Measurements, scale and proportion are design decisions which must be justified. - Designers can work to scale...
Instructional Video31:04
Curated Video

Checking and securing understanding of percentage increase

Pre-K - Higher Ed
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...
Instructional Video14:37
Curated Video

Sector Area (proportion AND equation)

6th - Higher Ed
You can use a formula (equation) or a proportion to find sector area. This video shows to to do both strategies. The final example has you "work backwards" where you are given the sector area and you have to solve for the radius.
Instructional Video6:51
Curated Video

Geometric Mean in Right Triangles ("Nike" and "Heartbeat" relationships)

6th - Higher Ed
In this video we learn how to find missing side lengths using the geometric mean. This video doesn't go into depth about WHY these relationships exist, this is more of just the "how" to use them. This video also does not explain all of...
Instructional Video7:44
Curated Video

The Percent Proportion

9th - Higher Ed
In this video, Mrs. C breaks down how to use the *percent proportion* to find a *part**, **whole**, or **percent* — using the classic *“is over of equals percent over 100”* shortcut!
Instructional Video4:53
Curated Video

Writing and Solving Proportions

9th - Higher Ed
In this video, Mrs. C breaks down what a proportion is and shows you three easy methods to solve for a missing value: ✅ Mental Math – Spot patterns to find the missing number quickly. ✅ Multiplication – Solve when the variable is in the...