Curated Video
Whole Numbers as Fractions Using Visual Models (Part 2)
Express whole numbers as fractions having 1 in the denominator using visual models.
Curated Video
Estimating the Reasonableness of Answers to Word Problems with Mixed Numbers
In this video, the teacher explains how to estimate the reasonableness of answers to word problems involving mixed numbers. The teacher introduces the concept of models, which are pictures that represent fractions, and explains that a...
Curated Video
Comparing the Size of the Product to the Size of the Factors in Multiplication of Fractions
In this video, students learn how to predict the size of the product in a word problem involving multiplication of fractions. By comparing the size of the factors to the size of the product, students can determine which factor is...
Curated Video
A Painter's Canvas (Part 1) (Represent decimal numbers using area models and equivalent fractions)
A painter divided his canvas into ten equal parts, as shown. 3 parts are painted black, 5 are painted red, and 2 are painted green. What is the decimal number representing each colored area of the canvas?
Curated Video
Subtracting Fractions with the Same Denominator
This video teaches students how to solve word problems involving subtracting fractions with the same denominators. It explains the concept of breaking fractions apart into unit fractions and demonstrates how to subtract the numerators to...
Brian McLogan
How to add two fractions when the denominators are not the same
👉 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
Factoring a perfect square trinomial with fractions, boo ex 31, x^2 + x + 1/4
👉Learn how to factor perfect square trinomials. Perfect square trinomials are formed when binomials are multiplied by themselves. To factor an algebraic expression means to break it up into expressions that can be multiplied together to...
Brian McLogan
Solving a rational equation without an extraneous solution
Solving a rational equation without an extraneous solution
Brian McLogan
Write each angle in degrees, minutes, seconds
👉 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
Three ways to think of dividing cosine by secant
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
Learn how to verify a trigonometric function by combining two rational expressions
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Math tutorial for simplifying trigonometric expressions
👉 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...
Brian McLogan
How to verify an identity without finding the LCD
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
How to Simplify the Radical of 175
👉 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...
Brian McLogan
How to simplify complex fractions with restrictions
👉 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...