Instructional Video2:34
Curated Video

Same Change Flip Strategy

3rd - 5th
Divide a fraction by a fraction using Same-Change- Flip strategy.
Instructional Video5:23
Curated Video

Rounding Decimals (To any place)

3rd - 5th
Round decimal numbers to any place without a model.
Instructional Video5:06
Curated Video

Product of Whole Numbers and Proper Fractions

3rd - 5th
Understanding the product of a whole number and a proper fraction.
Instructional Video5:38
Curated Video

Plotting Coordinates

3rd - 5th
Plot cartesian coordinates on a cartesian coordinate plane.
Instructional Video4:14
Curated Video

Multiplying by Powers of Ten

3rd - 5th
Understand how the number of zeros changes when multiplying whole numbers by powers of 10.
Instructional Video4:09
Curated Video

Classifying Triangles Based on Sides' Length

3rd - 5th
Classifying triangles based on the sides’ length.
Instructional Video3:49
Curated Video

Counting Stars (Using both multiplicative and additive comparisons in real-life situations)

K - 12th
There are two unique groups of stars that we can see. One with pink stars, they call it the pink group. The other, with blue stars, they call it the blue group. Zed wants to compare between the two groups, so he said: In the blue group,...
Instructional Video2:46
Curated Video

Adding Fractions with Equal Denominators on the Number Line

3rd - 5th
Add fractions with equal denominators on the number line.
Instructional Video2:32
Curated Video

Multiplying by Even Numbers (Part 2)

3rd - 5th
Multiplying by even numbers.
Instructional Video1:55
Curated Video

Recognizing Rhombi

K - 12th
Recognize squares as subsuming of rhombi and rectangles.
Instructional Video3:43
Curated Video

Subtraction of Multi-Digit Whole Numbers (Part 2)

3rd - 5th
Subtraction of multi-digit whole numbers.
Instructional Video4:10
Curated Video

Power of a Power Property

K - 12th
Raise a power to a power.
Instructional Video4:02
Curated Video

Dividing Numbers in Scientific Notation

K - 12th
Divide numbers in scientific notation.
Instructional Video3:01
Curated Video

Subtracting Mixed Numbers (Example)

K - 12th
Subtract mixed numbers with regrouping.
Instructional Video5:24
Curated Video

Money Split (Understand bracketing notation and its significance to the precedence of operations)

K - 12th
In real life, we may have to do several operations with numbers. For example, suppose Dan’s mother gave him 10 dollars, and his father gave him 6, then Dan went to the supermarket with his sister, and wanted to equally split the money...
Instructional Video4:32
Curated Video

Finding Errors in Division Problems Where the Answer is a Fraction (Part 2)

K - 12th
Find the error on the number line or in equations when solving word problems involving division of whole numbers leading to answers as fractions.
Instructional Video2:08
Curated Video

Adding Fractions Using Area Models (Example)

K - 12th
Add fractions with unlike denominators using visual models.
Instructional Video11:24
Curated Video

Rationalizing the Denominator

9th - 12th
This lesson will cover rationalizing the denominator using a factor of 1 and conjugates.
Instructional Video1:49
Instructional Video3:39
Curated Video

Points And The Elephant In The Room (Identify and draw points)

K - 12th
We draw points to represent the location of an object in space and points don’t represent the size of the object and they don't have an area. We can give names to points like: A, B, C
Instructional Video4:13
Curated Video

Packaging Books

K - 12th
Find whole-number quotients and remainders by dividing whole numbers of up to four-digits (dividend) by one-digit whole numbers (divisor) using repeated subtraction of multiples of 10 and 100.
Instructional Video2:13
Curated Video

Ryan’s Poster (Find the perimeter in the context of a one-step real-world problem.)

K - 12th
Ryan is decorating the boundaries of a rectangular poster with ribbon. How many feet of ribbon does he need if the rectangular poster measures 6 feet in length and 3 feet in width?
Instructional Video2:41
Curated Video

Reading Homework (Use division to solve word problems involving dividing objects equally into groups.)

K - 12th
Dave has to read 35 pages in 5 days, if he plans to read the same number of pages on each day, then how many pages does he need to read per day?
Instructional Video3:43
Brian McLogan

Tutorial - Dividing complex numbers ex 21, (i + 2)/(i - 2)

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...