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Math Fortress
Calculus III: Two Dimensional Vectors (Level 1 of 13)
This video is a review of Two Dimensional Vectors. This video goes over the basic concepts and terminology of vectors in a plane. Topics include: Vectors, Magnitude of a Vector, Equivalent Vectors, and Vector Notation. This video also...
Brian McLogan
Review I still don't get it. Two step equations
π Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Curated Video
Spider Senses
This video provides an overview of the anatomy and feeding habits of spiders. It explains how spiders rely on their eyesight, bristles, and chemical senses to hunt for prey. The video also discusses the structure of a spider's body,...
Brian McLogan
How to use and understand cofunction identities
π Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Brian McLogan
Convert an angle from radian to degrees
π Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Brian McLogan
Math tutorial for converting an angle from decimal form to DMS form
π Learn how to convert angles from decimal forms to DMS forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
How to write a verbal expression from an algebraic expression
π Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
Curated Video
Measuring Insects (Represent decimals using the number line and equivalent fractions)
A class has to measure the insects they are observing. They find that a worm is six tenths inches long and a centipede is one and four tenths inches long. How can we represent these lengths as decimals?
Curated Video
Comparison Using Benchmark Fractions
Using βBenchmarkβ fractions to compare fractions.
Curated Video
Proportions
In this video lesson we will learn how to write and solve a proportion. We will use a proportion to determine if two ratios are equal. We will learn that if two ratios form a proportion there is a proportional relationship. We will...
Curated Video
How to Write a Fraction as a Decimal
In this video lesson we will learn how to interpret a fraction as division. We will discover that a fraction can be written as the numerator divided by the denominator. We will perform long division to determine the decimal equivalent...
Curated Video
Generating Equivalent Fractions Using Area Models
Generate equivalent fractions using area models and equations.
Brian McLogan
Watch me complete the unit circle
π Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
Brian McLogan
Math tutorial for converting an angle from DMS form to decimal degree form
π Learn how to convert angles from DMS forms to decimal forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
Learn how to write an angle in decimal form to DMS form
π Learn how to convert angles from decimal forms to DMS forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
Factoring a trigonometric expression
π Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Brian McLogan
Master how to find two coterminal angles 1 positive 1 negative
Master how to find two coterminal angles 1 positive 1 negative
Curated Video
Proving the Polynomial Identity
In this lesson, students will learn how to prove the polynomial identity A+B quantity squared is equal to a ^2 + 2 AB plus b ^2 using an algebraic model. Through step-by-step manipulation of the expressions on both sides of the equation,...
Curated Video
Creating Equivalent Fractions Using the Identity Principle
In this video lesson, students will learn how to create equivalent fractions by applying the identity principle of multiplication and division. They will understand the concept of equivalent fractions and how to use models to represent...
Curated Video
C++ 20 (2a) New Features - Returning Value of the Spaceship Operator
What are the types returned by the spaceship operator? What members do they have? How can they be converted to each other?
β’ Discuss all types returned by the spaceship ope
rator
β’ Discuss the comparison ag
ainst zero
...
β’ Discuss all types returned by the spaceship ope
rator
β’ Discuss the comparison ag
ainst zero
...
Brian McLogan
Period as an aide with negative angles
π Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
Completing the square to solve a quadratic with irrational solutions
π Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Brian McLogan
What is the power rule of logarithms
π Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The...
Brian McLogan
Learn how to evaluate a number raised to a negative rational power
Learn how to evaluate numbers raised to rational powers. When given a number raised to a rational power, we take the nth root of the number where n is the number in the denominator of the rational power, then we raise the result to a...