Instructional Video3:53
Curated Video

Dividing Whole Numbers by Fractions

K - 12th
Divide a whole number by a fraction.
Instructional Video2:04
Curated Video

Buying Erasers (Solving one-step decimal equations: multiplication)

K - 12th
Jillian purchased some erasers from the school store. Each eraser costs 25 cents. If she spent a total of 2 dollars and 25 cents, how many erasers did she buy?
Instructional Video4:58
Curated Video

A Trip to the Beach (Solve multi-step word problems involving estimation of sums and differences for decimal numbers)

K - 12th
Olivia has 9 dollars and 25 cents. She plans to purchase a chicken sandwich for 4 dollars and 85 cents, and a bottle of water for one dollar and 18 cents. How much money will she have leftover? Will she be able to buy ice-cream later?
Instructional Video2:34
Curated Video

Multiplying Two Fractions Using Area Models (Example)

K - 12th
Multiply a fraction by a fraction using area models.
Instructional Video3:53
Curated Video

Jamal's Family Trip (Part 1) (Solve real-world problems involving multiplication of a fraction and a whole number using the number line and equations)

K - 12th
Jamal and his family are driving to visit their uncle who lives 105 miles away. They decide to stop two thirds of the way to have lunch. How far will Jamal and his family travel before they stop for lunch?
Instructional Video5:44
Curated Video

Adding Zeros to Decimals

K - 12th
Adding zeros to the decimal division when using the traditional method.
Instructional Video5:19
Curated Video

Snowstorm (Use the number line to solve word problems involving addition, subtraction, and multiplication of measurements expressed in whole numbers and requiring conversion of larger units to smaller units)

K - 12th
The school has been closed for the last 3 days due to a harsh snowstorm. During those 3 days the average snowfall was 9 inches per day. What is the total snowfall for these days? How does this total compare to the snowstorm of last year...
Instructional Video3:34
Curated Video

Multiplication Using the Expanded Form

K - 12th
Multiply one-digit whole numbers by whole numbers of up to four digits using the expanded form.
Instructional Video2:38
Curated Video

Library (Represent word problems involving multiplicative comparison using a symbol for the unknown where the group size is the unknown)

K - 12th
Sara and Lilly went to the library to read. Sara read 24 pages. She read 3 times as many pages as Lilly .How many pages did Lilly read?
Instructional Video4:10
Curated Video

Breaking Down Fractions into Sum of Parts

K - 12th
Decompose a fraction (x/y) into a sum of parts (a/y + b/y + ...) without a model.
Instructional Video3:43
Brian McLogan

What does solving a quadratic mean

12th - Higher Ed
👉Learn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Instructional Video3:23
Brian McLogan

Dividing two polynomials using synthetic division

12th - Higher Ed
👉 Learn about dividing by synthetic division when there is a missing power. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Instructional Video1:08
Brian McLogan

Tutorial - Finding the absolute value of a complex number ex 5, (4 + i)

12th - Higher Ed
In this video series I will show you how to find the absolute value of a complex number. The absolute value of a complex number represents the distance from a complex number to the origin. We will do this by taking the absolute value of...
Instructional Video3:59
Brian McLogan

Tutorial - Dividing complex numbers ex 20, (7 + 4i)/(2 - 3i)

12th - Higher Ed
In this video series I will show you how divide complex numbers. We do this by eliminating the imaginary number on the denominator by producing equivalent fractions. We do this by multiplying i if we have an imaginary number on the...
Instructional Video3:02
Brian McLogan

Tutorial - Dividing complex numbers ex 19, 6i/(3 - i)

12th - Higher Ed
In this video series I will show you how divide complex numbers. We do this by eliminating the imaginary number on the denominator by producing equivalent fractions. We do this by multiplying i if we have an imaginary number on the...
Instructional Video1:36
Brian McLogan

Tutorial - Dividing complex numbers ex 16, 7/2i

12th - Higher Ed
In this video series I will show you how divide complex numbers. We do this by eliminating the imaginary number on the denominator by producing equivalent fractions. We do this by multiplying i if we have an imaginary number on the...
Instructional Video2:30
Curated Video

Simplifying Expressions (Part 2)

3rd - 5th
Simplifying expression when subtraction is involved.
Instructional Video2:34
Curated Video

Percent Error

3rd - 5th
Calculate percent error.
Instructional Video3:25
Curated Video

Variables and Coefficients

3rd - 5th
Identify variables, coefficients, and constants in expressions and evaluate expressions with a given rule.
Instructional Video3:19
Curated Video

The Solutions of an Inequality

3rd - 5th
Identify a solution to an inequality from a number set.
Instructional Video1:27
Curated Video

Simplifying Algebraic Expressions (Example)

3rd - 5th
Simplify algebraic expressions by distributing and combining like terms.
Instructional Video2:16
Curated Video

Perimeter Formula of a Rectangle

3rd - 5th
Use a formula to find the perimeter of a rectangle.
Instructional Video3:01
Curated Video

Rectangles, Rhombuses and Squares

K - 12th
Identifying squares as a special type of both rectangles and rhombuses.
Instructional Video5:59
Curated Video

Reading Coordinates

3rd - 5th
Read cartesian coordinates from a cartesian coordinate plane.