Curated Video
Classifying Ratios Using a Decision Tree
This video, explains the concepts of part-to-part ratios, part-to-total ratios, and rates, and highlights the importance of correctly identifying the type of ratio in order to solve problems accurately. The decision tree method is...
Brian McLogan
ACT SAT Prep How to determine the SINE of an angle given a right triangle and it's sides
ACT SAT Prep How to determine the SINE of an angle given a right triangle and it's sides
Curated Video
Determining Parallel Lines with Proportional Triangles
In this lesson, students will learn how to determine if a fence is parallel to a river by analyzing a diagram. By measuring the sides of triangles and comparing their ratios, they can determine if the fence is parallel.
Brian McLogan
Learn to write the three trigonometric function ratios from a triangle
👉 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...
Brian McLogan
Learn to take the percent of a number using a proportion
👉 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,...
Brian McLogan
How to find all the six trigonometric function given a triangle with a radical
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Brian McLogan
How to solve a word problem using ratios - Free Math Help - Online Tutor
👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign...
Brian McLogan
Applying cross multiplication to solve 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
Using the geometric mean to determine the missing parts of a triangle
Learn about the geometric mean of numbers. The geometric mean of n numbers is the nth root of the product of the numbers. To find the geometric mean of n numbers, we first multiply the numbers and then take the nth root of the product.
Curated Video
Understanding Unit Rates Using a Double Number Line
In this video, the teacher explains the concept of unit rates using a double number line. Unit rates are ratios that compare a quantity to one of another quantity. The teacher demonstrates how to find and simplify unit rates using a...
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
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
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
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
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...