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,...
Tarver Academy
7-2 Ratios in Similar Polygons - GEOMETRY
In This Episode, Tyler Teaches Us About Ratios in Similar Polygons - Geometry
Soliloquy
How Jacinda Ardern turned 49% into 53%
In the recent New Zealand Election, Prime Minister Jacinda Ardern’s Labour party came away with almost a majority of the vote, but from this, they will get an absolute majority in Parliament, so how did they manage this and turn 49% into...
Brian McLogan
Master Solving for the missing sides of a triangle for ASA and AAS using law of sines
Master Solving for the missing sides of a triangle for ASA and AAS using law of sines
Brian McLogan
Learn how to add, subtract, multiply and divide two fractions, 3/4 + 2/3
👉 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...
Brian McLogan
What are proportional and congruent parts of parallel lines
👉 Learn how to solve for an unknown measure using parallel sides. When two parallel lines are cut by a transversal, there are some congruents angles that are formed. Some of the congruents angles formed include the corresponding angle,...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Probability - 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...
Brian McLogan
How to use proportions for direct variation to solve for x
👉 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...
Curated Video
Proving Triangle Similarity Algebraically
In this video, the teacher explains how to prove the similarity of triangles algebraically using ratios of corresponding sides. The lesson begins by reviewing the concept of proportionality and then applies it to triangles. The teacher...
Brian McLogan
Solving a proportion by cross multiplication with decimals
👉 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...
Curated Video
Vector Geometry and the Ratio Theorem Explained
This video is a lecture presentation on vector geometry and the ratio theorem. The presenter explains the fundamentals of vector geometry and then goes on to explain how to use the ratio theorem to find a vector to a point that divides a...
Global Health with Greg Martin
Age standardised mortality rate
Direct age standardization and indirect age standardization are two methods for comparing the mortality rates of two populations. This is sometimes called the age adjusted mortality rate. These are methods used in public health and...
Brian McLogan
Geometry -Solve the missing length using the triangle bisector theorem
👉 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
How to label an oblique triangle
👉 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...
Brian McLogan
Determining parallel lines using the proportionality theorem of parallel lines
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...