KnowMo
Dividing a Quantity in a Given Ratio
This is an educational video that teaches the viewer how to divide a quantity in a given ratio. The video presents different scenarios and examples, including sharing profits in a company, sharing money for charity, and splitting the...
Curated Video
Converting Between Part-to-Part and Part-to-Total Ratios with Pictures
In this video, the teacher explains how to convert between part-to-part and part-to-total ratios by drawing a picture. They provide examples and show how hidden information can be found within ratios. By the end of the lesson, students...
Brian McLogan
Determining if two ratios create a proportion
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
What are the Inverse Trigonometric functions and what do they mean?
👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Curated Video
Understanding Part-to-Total Ratios with Diagrams
In this video, the teacher explains the concept of part-to-total ratios using a scenario of people's preferences for a roller coaster. The teacher emphasizes that a ratio is not just a comparison of parts, but can also compare parts to a...
Curated Video
Solving Multi-Step Problems with Proportions and Equations
In this video, the teacher explains how to find the percent of a quantity using proportions and equations. They provide examples and step-by-step explanations to help students understand and solve multistep percent problems.
Curated Video
Visualizing Percents Using 10 by 10 Grids
In this video, students learn how to visualize percents using 10 by 10 grids. The concept of percents is explained, and different ways of expressing a percent are explored. Students also learn how ratios describe patterns and how to...
Curated Video
Similar Figures, Angle-Angle Similarity and Indirect Measurement
In this video lesson, we learn about similar figures and indirect measurement. The teacher explains how to identify similar figures, find missing side lengths using proportional ratios, and use angle-angle similarity to solve problems....
Brian McLogan
Determine if ratios are equivalent
👉 Learn how to divide fractions. To divide two fractions, we multiply the first fraction by the reciprocal of the second fraction. (The reciprocal of a fraction is swapping the positions of the numerator and the denominator). It is...
Brian McLogan
What are the three basic trigonometric function ratios
👉 Learn all about the trigonometry of right triangles. 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 right...
Curated Video
Percent Proportion: Finding Parts, Holes, and Percents
This video lesson will provide instruction on how to write and solve a percent proportion to find percents, parts or wholes. Proportional relationships will be reviewed, explained and connected to percents to solve multistep percent...
Curated Video
Trigonometry and the Pythagorean Theorem: Solving Real-World Problems with Triangles
This video discusses different methods for solving right triangles and oblique triangles, and provide examples of applying these methods to find side lengths, angles, and distances in various scenarios. The lesson emphasizes the...
Curated Video
Proportional Relationships in a Table (Part 2)
Determine if ratios in a table are proportional by testing for equivalent ratios.
Curated Video
Proportional Relationships in a Table (Part 1)
Determine if ratios in a table are proportional by testing for equivalent ratios.
Curated Video
Finding the Original Amount and Amount of Change Using Proportions and Equations
In this video, the teacher explains how to find the original amount and the amount of change given the percent of change in the final amount. Using proportions and equations, the teacher demonstrates how to calculate the price of an item...
Brian McLogan
ACT SAT Prep How to determine the the missing value by setting up two proportions
ACT SAT Prep How to determine the the missing value by setting up two proportions
KnowMo
Introduction to Ratio
This video provides an introduction to ratios and explains what they are and how to write and simplify them. The presenter uses real-world examples to illustrate how ratios are used in everyday life, such as in baking and mixing cement....
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Angles in Polygons - Explained
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 steps. This video...
Curated Video
Find Sine Value Using Side Ratios
In this video, students learn how to find the sine value of an acute angle in a right triangle. It explains the properties of right triangles, such as the relationship between the hypotenuse and the legs, as well as the concept of...
Brian McLogan
What is the similarity of triangles for SSS
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Curated Video
Statistics for Data Science and Business Analysis - Levels of Measurement
In this video, the other classification of variables is shown - levels of measurement. This clip is from the chapter "Descriptive Statistics Fundamentals" of the series "Statistics for Data Science and Business Analysis".This section...
Curated Video
Calculating Actual Lengths from Scale Drawings Using Ratios and Proportions
In this video, the teacher explains how to calculate the measurements for a scale model of the Parthenon using ratios and proportions. The lesson covers the concepts of ratios, proportions, corresponding sides in similar triangles, and...
Brian McLogan
Percent of change
👉 Learn how to solve problems using percents. When solving problems with percents we will either convert the percents to decimal form or use proportions to solve. We will look to solve for the percent of change, the original price,...