Instructional Video5:41
Curated Video

Mixed Numbers and Improper Fractions

K - 12th
Represent mixed numbers and improper fractions using visual models.
Instructional Video4:05
Curated Video

Metals Weight (Use the four operations to solve word problems involving measurements expressed in fractional or decimal numbers and requiring conversion of larger units to smaller units)

K - 12th
Lee is working in the materials laboratory. He measures the weights of various small pieces of metal. The table shows the sheet where he recorded the different weights. What is the total weight in ounces of the metals that were measured...
Instructional Video8:00
Curated Video

Long Division (Four-Digit Dividend)

K - 12th
Find whole-number quotients by dividing four-digit whole numbers (dividend) by one-digit whole numbers (divisor) using long division (standard algorithm).
Instructional Video9:23
Curated Video

Division, Multiplication and Subtraction

K - 12th
Understand division and its relation to multiplication and repeated subtraction.
Instructional Video3:34
Curated Video

Classifying Polygons Based on Perpendicular Lines

K - 12th
Classifying polygons based on the presence or absence of perpendicular lines.
Instructional Video3:11
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Reading Data in Bar Graphs

K - 12th
Read data in detailed bar graphs drawn on a grid.
Instructional Video6:04
Curated Video

Rotations (Identify the relationship between two numerical patterns derived from descriptions/rules in problems and graph them)

K - 12th
Let’s say we have a ceiling fan, and a washing machine and we want to compare the pattern of rotation of the fan and the drum in the washing machine over time.
Instructional Video6:15
Curated Video

Geometric Figures on the Coordinate Plane

K - 12th
Graph points on a coordinate plane to make a geometric figure.
Instructional Video5:09
Curated Video

How to Conquer Completing the Square with Non-One Coefficients

9th - 12th
This video will provide a procedural checklist for the method completing the square to solve a quadratic equation when the value of a is not 1 when written in standard form. Topics covered - solving a quadratic equation, finding the...
Instructional Video7:09
Curated Video

Long Division (Three-Digit Dividend / One-Digit Divisor)

K - 12th
Find whole-number quotients by dividing three-digit whole numbers (dividend) by one-digit whole numbers (divisor) using long division (standard algorithm).
Instructional Video6:34
Curated Video

Butterfly Wings (Compare decimal numbers to hundredths and record the result with the symbols)

K - 12th
Ms. Thomas fourth grade class is measuring butterfly wings for a science experiment. Which butterfly has taller wings?
Instructional Video3:37
Curated Video

Long Division and Money (Part 1)

K - 12th
Find whole-number quotients by dividing whole numbers up to four-digits (dividend) by one-digit whole numbers (divisor) using the relationship between long division and place value.
Instructional Video2:47
Curated Video

Gavin's Pool (Divide rational numbers in a real-world example)

K - 12th
we will explore the relation between the expressions: -a/b, -(a/b), and a/-b.
Instructional Video4:48
Curated Video

Multiplication by Multi-Digit Numbers

K - 12th
Multiply two multi-digit whole numbers using the standard method.
Instructional Video3:17
Curated Video

Perimeter of Plane Figures

K - 12th
Understand the perimeter of a plane figure as the total length of its sides.
Instructional Video3:47
Curated Video

Finding the Area of a Rectangle Using the Area Formula

K - 12th
Understand the formula for calculating the area of a rectangle.
Instructional Video3:09
Curated Video

The Distributive Property of Multiplication

K - 12th
Using the distributive property to find products.
Instructional Video2:07
Curated Video

Solving Division Equations Involving Decimals

K - 12th
Solving one-step equations involving decimals: division.
Instructional Video5:10
Curated Video

Division Using Base-Ten Blocks Representation (Part 1)

K - 12th
Use base-ten blocks to represent division.
Instructional Video2:12
Curated Video

Equivalent Fractions Using Area Models

K - 12th
Identify equivalent fractions using area models.
Instructional Video3:24
Curated Video

Associative Property of Multiplication

K - 12th
Apply the associative property of multiplication.
Instructional Video2:47
Curated Video

Drawing Pictographs

K - 12th
Draw a scaled pictograph to represent data with several categories.
Instructional Video1:42
Curated Video

Measuring Time (Part 1)

K - 12th
Tell time in minutes and hours.
Instructional Video3:36
Curated Video

The Commutative Property of Multiplication

K - 12th
Using the commutative property to find products.