Instructional Video3:37
Curated Video

Adding Fractions with Denominators 10 and 100

3rd - 5th
Adding and subtracting fractions with denominators of 10 and 100.
Instructional Video1:51
Curated Video

Associativity and Multiplication Problems (Part 1)

K - 12th
Associativity and multiplication problems.
Instructional Video3:01
Curated Video

Multiplication and Groups

K - 12th
Interpret products by drawing pictures.
Instructional Video5:35
Curated Video

Vacation in the Island (Use number lines to solve word problems involving the addition of fractions with like and unlike denominators)

K - 12th
Jeremy and Cathy are on vacation in a small island, and today they are going sightseeing. The map shows them that the walking distance from the hotel to the downtown area is two sixths kilometer. And the walking distance from downtown...
Instructional Video2:15
Curated Video

Adding Fractions Using the Number Line (Part 1)

K - 12th
Add fractions with unlike denominators using the number line.
Instructional Video1:59
Curated Video

Subtraction with a Borrow (Example)

3rd - 5th
Subtract multi-digit whole numbers with borrowing.
Instructional Video2:01
Curated Video

Multiplication Using the Expanded Form (Example)

K - 12th
Multiply one-digit whole numbers by whole numbers of up to four digits using the expanded form.
Instructional Video2:57
Curated Video

Howard's Apartment (Decompose a rectilinear figure and calculate its combined area in the context of a real-world problem.)

K - 12th
The following shape shows Howard’s apartment. The lengths of the sides are labeled. What is the total area of the apartment?
Instructional Video2:53
Curated Video

Adding and Subtracting Numbers in Scientific Notation (Part 1)

3rd - 5th
Add and subtract numbers in scientific notation.
Instructional Video3:28
Curated Video

Simple Interest Formula

3rd - 5th
Use the simple interest formula.
Instructional Video3:27
Curated Video

Area of a Parallelogram

3rd - 5th
Find the area of a parallelogram.
Instructional Video1:59
Curated Video

Multiplying Numbers in Scientific Notation (Example)

3rd - 5th
Multiply two numbers in scientific notation.
Instructional Video1:57
Curated Video

Simplifying Expressions with Subtraction

3rd - 5th
Simplify an expression by distributing and combining like terms.
Instructional Video2:29
Curated Video

Like Terms

K - 12th
Identify like terms.
Instructional Video2:35
Curated Video

Identifying Parts of Expressions

3rd - 5th
Identify parts of expressions.
Instructional Video2:01
Curated Video

Dividing One Term Expressions (Example)

K - 12th
Dividing expressions containing variables.
Instructional Video1:51
Curated Video

Converting Between Fahrenheit and Celsius (Part 2)

3rd - 5th
Convert between Fahrenheit and Celsius.
Instructional Video3:41
Curated Video

Product of Powers Property

K - 12th
Multiply powers that have the same base.
Instructional Video1:45
Curated Video

Product of Powers Property (Example)

K - 12th
Multiply powers that have the same base.
Instructional Video3:34
Curated Video

Multiplying Numbers in Scientific Notation

K - 12th
Multiply two numbers in scientific notation.
Instructional Video4:24
Curated Video

Expressing Numbers in Scientific Notation (Part 2)

K - 12th
Express numbers in scientific notation.
Instructional Video5:00
Curated Video

Exponents and Powers

K - 12th
Read expressions involving exponents, and write them as equivalent expressions using repeated multiplication.
Instructional Video1:47
Curated Video

Additive Inverse Property (Part 2)

K - 12th
Recognize and apply the additive inverse property.
Instructional Video2:08
Curated Video

The Solution of an Equation (Part 2)

K - 12th
Solve an equation when given a specified set.