Instructional Video6:10
Curated Video

Working with Division

K - 8th
Mr. Addit introduces the terms divisor, dividend, and quotient. He also demonstrates how to write a division problem.
Instructional Video3:18
Curated Video

Exploring Addition Fact Families within 10

K - 12th
This video teaches learners about addition fact families, using part-whole models.
Instructional Video6:29
Curated Video

Dividing by 6, 7, and 8

3rd - Higher Ed
Mr. Addit reviews ways to learn division facts for 6, 7, and 8.
Instructional Video6:47
Curated Video

Review for You: Division

3rd - Higher Ed
Mr. Addit reviews division of 2 digits by 1 digit, 2 digits by 2 digits, and 3 digits by 2 digits. He demonstrates division problems with remainders, and checks his division work by using multiplication.
Instructional Video6:12
Curated Video

Review for You: Multiplication and Division Fact Families

K - 8th
Mr. Addit reviews multiplication and division fact families. He then provides examples of how fact families may be used to solve division problems.
Instructional Video8:46
Curated Video

Non-Negative Fact Families

K - 8th
"Non-Negative Fact Families" models how to solve real-world mathematical problems containing non-negative rational numbers by using knowledge of fact families.
Instructional Video5:43
Curated Video

Finding 10 to Add and Subtract Quickly

K - Higher Ed
In this video, students learn to anchor problems to number ten, a common way to problem solve. For example, the problem 9+3 might be unfamiliar, but if we split number 3 into 1+2, we can create a ten. We are left with 9+1+2, or 10+2....
Instructional Video4:51
Curated Video

Fact Family: Multiply and Divide

K - 8th
“Fact Family: Multiply and Divide” reviews multiplication and division fact families and provides examples of how fact families can be used to solve division problems.
Instructional Video4:58
Curated Video

Fishing For Division Arrays

6th - 8th
Learn how to make a division equation to go with an array.
Instructional Video5:53
Curated Video

Using Bar Models to Write and Solve Division Equations

K - 5th
In this video, students learn how to use bar models to represent and solve division equations. The teacher explains how to break down a problem and create a bar model to visually represent the equation. Students also learn how to rewrite...
Instructional Video6:12
msvgo

Number Families

K - 12th
This nugget explains to identify numbers that form Addition and Subtraction fact families.
Instructional Video4:44
Curated Video

Checking Division with Fractional Quotients Using Inverse Operations

K - 5th
This video explains how to check division with fractional answers using the inverse relationship between multiplication and division. The teacher demonstrates this concept through word problems and shows how to use fact families and...
Instructional Video5:31
Curated Video

Writing and Solving Subtraction Equations Using Bar Models

K - 5th
In this video, the teacher explains how to use a bar model to represent and solve subtraction equations. The example used is about a student named Jerome who lost 15 pencils and currently has 33 pencils. By creating a bar model and...
Instructional Video3:33
Curated Video

Add and Subtract Using Fact Families

K - 5th
This video is a math lesson where the instructor teaches the concept of fact families for addition and subtraction. They use building blocks to visualize the addition and subtraction of numbers and emphasize the importance of knowing all...
Instructional Video3:57
Curated Video

Subtracting Within 20: Finding the Difference Between Two Numbers

K - 5th
This video is a math lesson that teaches how to subtract within 20 by finding the difference between two given numbers. The video starts by reviewing the definition of subtraction and explaining how subtraction is related to addition...
Instructional Video
Math Mammoth

Math Mammoth: Two Subtractions From One Addition

1st
In this video, students are introduced to the concept of fact families. Visual models are used to show how one addition fact yields two subtraction facts. They are then presented with some true or false questions and word problems. [8:44]