Instructional Video3:15
Curated Video

The Associative Property of Multiplication

3rd - 5th
Using the associative property to find products.
Instructional Video4:28
Curated Video

Adding the Number 10 to the Multiplication Table

3rd - 5th
Extend the multiplication table to the number 10.
Instructional Video2:05
Curated Video

Subtracting Decimals Using the Number Line (Example)

K - 12th
Subtract decimals to hundredths using the number line.
Instructional Video5:01
Curated Video

Splitting Fudge (Dividing a unit fraction by a whole number using the relationship between multiplication and division)

K - 12th
Lucca and his four friends went to a fair. There, Lucca purchased a one fourth pound fudge. If he plans to split the fudge evenly between his 4 friends and himself, how much fudge will each person get?
Instructional Video4:30
Curated Video

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

K - 12th
Use the traditional algorithm to divide a three-digit dividend by a two-digit divisor.
Instructional Video3:53
Curated Video

Crystal Ball (Part 2) (Comparing the value of the product to one of its factors based on the other factor)

K - 12th
We will learn how to make predictions about a product based on its factors.
Instructional Video4:26
Curated Video

Crystal Ball (Part 1) (Comparing the value of the product to one of its factors based on the other factor)

K - 12th
We will learn how to make predictions about a product based on its factors.
Instructional Video9:25
Curated Video

Zero and Negative Exponents: Evaluating Expressions

9th - 12th
This lesson on zero and negative exponents teaches students how to evaluate expressions involving numbers with zero as an exponent and negative integer exponents. The teacher explains the definition of zero and negative exponents and...
Instructional Video5:02
Curated Video

Snow Mountain (Solve multistep word problems involving addition and subtraction of fractions with equal denominators using the number line)

K - 12th
A ski mountain had the first snowstorm of the season. Two days ago, the total snowfall was one and four fifths feet and yesterday an additional two and two fifths feet fell. Today it was sunny and three fifths of a foot of snow melted....
Instructional Video7:37
Curated Video

Feeding Mice (Convert decimal numbers with one or two decimal places into mixed numbers)

3rd - 5th
Calvin takes care of two small mice in the lab. He feeds them cheese but he carefully measures the amount of cheese on an electronic scale. The amount is in decimal number, but Calvin needs to find out the measured amounts in mixed...
Instructional Video4:10
Curated Video

Colored Tiles (Solve single-step word problems involving addition and subtraction of fractions with equal denominators using visual models)

K - 12th
A bathroom floor in a house is made up of 12 colored tiles of equal size. 5 of the tiles are red and 3 are green, and the rest are yellow. What is the fraction that represents the red tiles out of the total number of tiles? And what is...
Instructional Video2:04
Curated Video

Counting Minutes (Example)

K - 12th
Find the difference in minutes between two times within the same hour using the number line.
Instructional Video2:37
Curated Video

Subtraction Using Base-Ten Blocks with Regrouping (Example)

K - 12th
Subtraction using base-ten blocks with regrouping.
Instructional Video1:47
Curated Video

Subtraction Using Base-Ten Blocks (Example)

3rd - 5th
Subtraction using base-ten blocks.
Instructional Video4:30
Curated Video

Solving Equations Using Square Roots

K - 12th
Solve equations that have a squared variable by taking the square root of both sides of the equation, resulting in two possible solutions.
Instructional Video3:07
Curated Video

Solving Equations Using Square Roots (Example)

3rd - 5th
Solve equations that have a squared variable by taking the square root of both sides of the equation, resulting in two possible solutions.
Instructional Video2:28
Curated Video

Multiplying Integers

K - 12th
Multiply two integers.
Instructional Video4:08
Curated Video

Constant of Proportionality

3rd - 5th
Identify the constant of proportionality when given a table or a graph.
Instructional Video4:34
Curated Video

Venn Diagrams

3rd - 5th
Use a Venn Diagram to find the greatest common factor and the least common multiple of two numbers.
Instructional Video3:00
Curated Video

Solving Equations Using Cube Roots

3rd - 5th
Solve equations that have a cubed variable by taking the cube root of both sides.
Instructional Video1:56
Curated Video

Subtracting Integers (Part 2)

3rd - 5th
Subtract two integers.
Instructional Video2:05
Curated Video

Dividing Integers

K - 12th
Divide integers.
Instructional Video3:05
Curated Video

Adding Integers

K - 12th
Add two integers.
Instructional Video1:14
Curated Video

Solving Subtraction Equations Using Inverse Operations (Example)

K - 12th
Solving one-step equations using inverse operations: subtraction equations.