Instructional Video7:23
Curated Video

Memorizing Division Facts

K - 8th
Mr. Addit reviews division by 1, 2, 5, and 10 and explains that division is the opposite of multiplication just as subtraction is the opposite of addition.
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 Video6:45
Curated Video

Exploring Division

K - 8th
Mr. Addit explains that backwards skip counting is the same thing as division, in the same way that forward skip counting is the same thing as multiplication. He then models solving some division word problems.
Instructional Video3:24
Great Big Story

Behind the Scenes at the National Museum of Natural History

12th - Higher Ed
Explore the hidden world of the museum's extensive collections and the fascinating stories they tell.
Instructional Video5:34
Curated Video

Comparing Sets of Expressions

K - 8th
"Comparing Sets of Expressions" explains how to compare sets of expressions that contain the same numbers but differing symbols by simplifying each one according to the order of operations.
Instructional Video3:50
Curated Video

Whole Numbers Divided by Fractions

K - 8th
"Whole Numbers Divided by Fractions" solves word problems involving dividing whole numbers by fractions by using a visual model.
Instructional Video5:32
Curated Video

Numerical Expressions

K - 8th
Written Descriptions of Expressions explores ways to author written descriptions of expressions.
Instructional Video5:18
Curated Video

From Word to Number Form

K - 8th
From Word to Number Form shows how to convert mathematical expressions from word form to number form without solving by using understanding of operations.
Instructional Video4:04
Curated Video

Sorting Groups of Equations and Expressions

K - 8th
Sorting Groups of Expressions identifies the differences between equations and expressions by sorting a group of equations and expressions into groups based on the definitions.
Instructional Video4:16
Curated Video

Order of Operations: Numbers

K - 8th
Order of Operations: Numbers teaches how to simplify mathematical expressions containing whole numbers using the order of operations.
Instructional Video4:55
Curated Video

Decomposing Dividends

K - 8th
Decomposing Dividends teaches how to find whole number quotients with and without remainders for division problems with two-digit divisors and two- to four-digit dividends by decomposing the dividend.
Instructional Video6:52
Curated Video

Dividing by 0, 1, 2, 3, 4, and 5

K - 8th
Mr. Addit reviews ways to learn division facts for 0, 1, 2, 3, 4, and 5.
Instructional Video6:07
Curated Video

Division with the Standard Algorithm and Partial Quotients

3rd - 8th
This video gives an example of two different strategies for solving long division problems.
Instructional Video8:02
Curated Video

Understanding and Evaluating Algebraic Expressions

K - 12th
This video introduces the concept of algebraic expressions and guides learners through the process of evaluating expressions, step by step.
Instructional Video3:55
Curated Video

Dividing 3-Digit Numbers by 1-Digit Numbers: Bus Stop Method

K - 12th
This video teaches learners how to divide a 3-digit number by a 1-digit number using the written method - short division.
Instructional Video3:21
Curated Video

Dividing 2-Digit Numbers by 1-Digit Numbers: Bus Stop Method

K - 12th
This video teaches learners how to divide a 2-digit number by a 1-digit number using the written method - short division.
Instructional Video8:17
Curated Video

Mastering the Order of Operations with BIDMAS

K - 12th
This video is all about how to follow the order of operations using BIDMAS. There are 5 examples in this video, starting off very simple and increasing in difficulty throughout the video.
Instructional Video3:07
Curated Video

Finding Equivalent Fractions

K - 12th
This video teaches learners how to find equivalent fractions by multiplying or dividing the numerator and the denominator by the same number.
Instructional Video2:46
Curated Video

Simplifying Fractions: Finding the Highest Common Factor

K - 12th
In this video, we look at simplifying fractions by looking at the highest common factor.
Instructional Video8:03
Curated Video

Dividing Decimals by Decimals: Bus Stop Method

K - 12th
This video teaches learners how to divide decimal numbers by decimal numbers.
Instructional Video4:48
Curated Video

Dividing Numbers by 10, 100, and 1000

K - 12th
In this video, we use a place value grid to model how to divide whole numbers by 10, 100 and 1000.
Instructional Video4:28
Curated Video

Dividing Numbers by 1000

K - 12th
In this video, we use a place value grid to model how to divide whole numbers by 1000.
Instructional Video3:17
Curated Video

Dividing Numbers by 100

K - 12th
In this video, we use a place value grid to model how to divide whole numbers by 100.
Instructional Video2:51
Curated Video

Dividing Numbers by 10

K - 12th
In this video, we use a place value grid to model how to divide whole numbers by 10.