Instructional Video2:17
Curated Video

Pool Perimeter (Part 1) (Find the perimeter of a figure given a set of ordered pairs by drawing it on the coordinate plane)

K - 12th
Sam used a coordinate plane to draw a diagram of his pool. Each unit on the coordinate plane is equal to 1 foot. Let’s plot the points on our coordinate plane to make Sam’s pool diagram.
Instructional Video4:45
Curated Video

Making Lemonade (Graph, create and complete a table of equivalent ratios)

K - 12th
Devon is making lemonade from a mix. For every 2 tablespoons of lemonade powder, he needs 3 cups of water. What is the ratio of lemonade powder to water?
Instructional Video2:02
Curated Video

Least Common Multiple

K - 12th
Find the least common multiple of two numbers.
Instructional Video2:43
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Histograms

K - 12th
Create a histogram to display data.
Instructional Video4:15
Curated Video

Subtracting Decimals Using the Number Line

K - 12th
Subtract decimals to hundredths using the number line.
Instructional Video2:27
Curated Video

Represent Division as Fractions (Example)

K - 12th
Use equations to solve word problems involving division of whole numbers leading to answers as fractions.
Instructional Video4:01
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Multiplying Two Fractions Using Area Models

K - 12th
Multiply a fraction by a fraction using area models.
Instructional Video5:39
Curated Video

Making Cookies (Add mixed numbers with regrouping)

K - 12th
Add mixed numbers with regrouping.
Instructional Video4:38
Curated Video

Long Division (Two-Digit Dividend)

K - 12th
Use the traditional algorithm to divide two-digit by two-digit.
Instructional Video6:21
Curated Video

Graphs for Patterns

K - 12th
Observe the relationship between two patterns and graph the ordered two-tuples on a coordinate plane.
Instructional Video3:17
Curated Video

Weight Measurements

K - 12th
Weight or mass measurements in the US customary system.
Instructional Video4:56
Curated Video

Sketching Angles

K - 12th
Sketch an angle of a specified measure.
Instructional Video3:41
Curated Video

Rounding to the Nearest 10 with a Carry in Many Places

K - 12th
Round multi-digit whole numbers to the nearest ten when a carry is needed.
Instructional Video3:33
Curated Video

Playing in the Park (Solve word problems to find the area of a rectangular shape)

K - 12th
Adam and Jack are playing in a small rectangular park... the length of this park is 7 yards and the width is 4 yards. What is the area of the park?
Instructional Video2:43
Curated Video

Naming Angles

K - 12th
Learn how to name angles.
Instructional Video4:17
Curated Video

Divisibility Rules for 6, 9 and 10

K - 12th
How can we test whether a whole is divisible by 6? By 9? 10? In this video, we will learn the rules to tell whether a whole number is divisible by 6, 9, or 10!
Instructional Video3:07
Curated Video

Comparing Fractions with Equal Numerators

K - 12th
Comparing fractions with the same numerator but different denominators.
Instructional Video4:05
Curated Video

A Painter's Canvas (Part 1) (Represent decimal numbers using area models and equivalent fractions)

K - 12th
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?
Instructional Video2:19
Curated Video

Measuring Mass in Kilograms

K - 12th
Measure mass using units of kilogram.
Instructional Video3:00
Curated Video

Whole Numbers as Fractions Using Visual Models (Part 2)

K - 12th
Express whole numbers as fractions having 1 in the denominator using visual models.
Instructional Video2:16
Curated Video

Associativity and Multiplication Problems (Part 2)

K - 12th
Associativity and multiplication problems.
Instructional Video4:39
Curated Video

Quotients and the Division Operation

K - 12th
Identifying division and its components.
Instructional Video2:42
Curated Video

Subtraction Using Base-Ten Blocks with Regrouping

K - 12th
Subtraction using base-ten blocks with regrouping.
Instructional Video2:28
Curated Video

Expressing Rational Numbers as Repeating Decimals (Part 1)

K - 12th
Express rational numbers as repeating decimals.