Curated Video
Finding Unit Rate Using a Conversion Ratio
In this video, the teacher explains how to find the unit rate cost per ounce of buying a watermelon using conversion ratios. The video walks through the steps of converting from pounds to ounces and shows how to avoid common mistakes...
Nature League
Are Insects Really Going Extinct? - De-Natured
This week on Nature League, Brit Garner explores extinction threats to life on Earth by breaking down a recent scientific journal article about the endangered state of the world’s insects.
Curated Video
Similar Figures, Angle-Angle Similarity and Indirect Measurement
In this video lesson, we explore similar figures and indirect measurement in math. We learn about corresponding sides and angles, how to use similarity to solve problems, and even how to find the height of an object using indirect...
Curated Video
How to Make an Inference from Data
In this video, the teacher guides the viewer through solving a standardized math test question that requires making an inference from data. The question involves estimating the number of people in a city who own a car based on a random...
Curated Video
Using Probability to Predict
In this video, the teacher explains how to use probability to predict the number of times a numbered cube will land on A1 or A4 when rolled 400 times. The video provides step-by-step instructions on how to solve the problem.
Curated Video
Solving for X in Right Triangles using the Sine Ratio
In this video, we learn about solving for X in triangles using the sine ratio. By comparing the ratios of the length of the side opposite an acute angle to the length of the hypotenuse in right triangles, we can determine the value of X....
Tarver Academy
7-5 Using Proportional Relationships - GEOMETRY
In This Episode, Tyler Teaches Us About Using Proportional Relationships - Geometry
Let's Tute
Piecemeal Distribution of Assets and Liabilities in Firm Dissolution
In this video, the teacher explains the concept of piecemeal distribution in the dissolution of a firm. They discuss the order of payment for liabilities and demonstrate how to calculate the proportionate capital using a statement of...
Brian McLogan
Determining the scale factor of the enlargement of a triangle
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Curated Video
Finding Coordinates of Points on a Straight Line Using Similar Triangles
In this video, students learn how to find the coordinates of points along a straight line using similar triangles. They are taught to set up ratios with the vertical side (rise) first and the horizontal side (run) second.
Curated Video
Solving Word Problems with Positive and Negative Fractions
In this lesson, students will learn how to solve word problems involving positive and negative fractions by using mathematical reasoning. The lesson emphasizes the importance of understanding the problem and ensuring that the final...
Healthcare Triage
Medicare's Coverage Gaps and Out of Pocket Costs
One of the original justifications for Medicare is that older people have much higher health care needs and expenses. But there are a few common misunderstandings about health costs when people are older, including the idea that money...
Curated Video
Prove the Pythagorean Theorem: using similar triangles
In this lesson you will learn how to prove the Pythagorean Theorem by using similar triangles.
Brian McLogan
Determining the scale factor of two quadrilaterals
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Brian McLogan
How to add, subtract, multiply and divide fractions, 2/3 + 3/5
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Soliloquy
How would the UK House of Commons look under MMP?
The UK House of Commons uses the first past the post voting system. This system doesnât proportionally represent the votes cast by the population as there is only one winner in each seat. Hypothetically if one party gained 51% of the...
Amor Sciendi
Architect of a Nation
Thomas Jefferson influenced the architecture of the nation from the start, and he had a reason for everything he did.
Curated Video
Understanding and Calculating the Multiplier Effect Using the Marginal Propensity to Consume
This is a tutorial video on the multiplier effect. The video aims to help viewers define, understand, and calculate the multiplier effect using the marginal propensity to consume (MPC). The speaker explains how the MPC determines the...
Brian McLogan
How to determine the reduction scale factor for two parallelograms
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Brian McLogan
What are the special segments of similar triangles
👉 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...
Brian McLogan
ACT SAT Prep How to determine the perimeter of a triangle using similar triangles
ACT SAT Prep How to determine the perimeter of a triangle using similar triangles
Curated Video
Using Similarity Criteria to Find an Indirect Measure
In this lesson, students will learn how to find the height of a school using indirect measurement and similarity criteria. By using a mirror and measuring distances, students can determine the height of the school by comparing similar...
Brian McLogan
An introduction into the law of sines
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Curated Video
Italy, Florence - Old Sacristy in the Basilica di San Lorenzo (Basilica of Saint Lawrence)
The structure was begun 1421 and largely complete in 1440. When finished, it was, however, quite isolated, the reason being that construction for the new building for San Lorenzo, the design for which Brunelleschi was also responsible,...