Instructional Video4:44
Curated Video

Dividing Fractions by Fractions

K - 5th
In this video, students learn how to divide fractions by fractions by thinking about equal sized groups. The teacher explains the concept using visual representations and examples. Students are also reminded to check their answers using...
Instructional Video2:42
Curated Video

Understanding Negative Fractions

K - 5th
This video lesson explains different ways to write negative fractions by viewing them as division problems. It covers scenarios where the negative sign can be placed with the numerator, denominator, or the entire fraction.
Instructional Video3:43
Curated Video

Swimming Competition (Use equivalent fractions to solve word problems involving subtraction of fractions with like and unlike denominators)

K - 12th
Jason is training for the upcoming national swimming competition. This morning he swam a few laps which totaled seven ninths of a mile. In the evening he swam some more laps which totaled two thirds of a mile. How much different is the...
Instructional Video3:33
Curated Video

Unit Fractions on the Number Line

K - 12th
Represent unit fractions on the number line.
Instructional Video3:36
Curated Video

Representing Fractions Greater than One on a Number Line

K - 5th
In this video, the teacher explains how to represent fractions greater than one using a number line. They demonstrate different ways to show fractions, such as using area models and sets. The teacher also emphasizes the importance of...
Instructional Video3:08
Brian McLogan

Evaluate the geometric sequence given two values

12th - Higher Ed
πŸ‘‰ Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Instructional Video4:21
Brian McLogan

What are the formulas for arithmetic and geometric sequences

12th - Higher Ed
πŸ‘‰ Learn about sequences. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. There are many types of sequence, among which are: arithmetic and geometric...
Instructional Video3:05
Brian McLogan

Solving and graphing an inequality by multiplying by a fraction on one side ex 12

12th - Higher Ed
πŸ‘‰ Learn how to solve multi-step linear inequalities having parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....
Instructional Video1:49
Brian McLogan

Graphing a vertical line by creating a table of values

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations with one variable. When given a linear equation with one variable in the form x = a or y = c, the two forms of linear equations results in a vertical and horizontal lines respectively. The graph of...
Instructional Video3:12
Brian McLogan

Solving an equation for y and x using two steps

12th - Higher Ed
πŸ‘‰ Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. To do this, we...
Instructional Video2:18
Brian McLogan

Solving two step equation with two terms in the numerator

12th - Higher Ed
πŸ‘‰ Learn how to solve two step rational linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. A rational equation is an equation containing at least one fraction whose numerator and (or)...
Instructional Video2:45
Brian McLogan

Solving an equation with two terms in the numerator

12th - Higher Ed
πŸ‘‰ Learn how to solve two step rational linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. A rational equation is an equation containing at least one fraction whose numerator and (or)...
Instructional Video3:49
Brian McLogan

Solving an equation with multiple fractions

12th - Higher Ed
πŸ‘‰ Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Instructional Video4:24
Brian McLogan

Adding unlike denominators - free online tutoring, 1/2 + 1/3

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video5:30
KnowMo

Applying Negative Indices: Understanding and Using the Rule

12th - Higher Ed
This video is a lecture about negative indices in math. The instructor explains a specific rule for dealing with negative powers, using algebra manipulation to illustrate where the rule comes from. The technique involves finding the...
Instructional Video3:31
Brian McLogan

Evaluate for sine, cosine and tangent of an angle using the unit circle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video8:02
Brian McLogan

Using sum of two angles to evaluate an angle in radians for tangent, tan

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video9:04
Brian McLogan

Simplifying a trigonometric expression by getting common denominators

12th - Higher Ed
πŸ‘‰ Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video4:02
Brian McLogan

Simplify a Complex Rational Fraction

12th - Higher Ed
πŸ‘‰ Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Instructional Video3:19
Brian McLogan

Learn how to evaluate using the difference of two angles for sine

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the sine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video3:21
Brian McLogan

Applying the law of sines when no triangle exists

12th - Higher Ed
πŸ‘‰ Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions and...
Instructional Video2:39
Brian McLogan

Learn how to divide two rational monomials and simplify

12th - Higher Ed
πŸ‘‰ Learn how to simplify expressions by dividing its terms. Remember that dividing a fraction is the same as multiplying by the reciprocal. When multiplying expressions, each individual term of the expression is multiplied to its like...
Instructional Video1:22
Brian McLogan

Learn how to take the square root of a number using the identity element

12th - Higher Ed
πŸ‘‰ Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Instructional Video4:08
Brian McLogan

How to find the multiplicity zeros, intercepts with fractions

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...