Art of Problem Solving
Dividing a Sum by a Number
Divide with sums. A video provides an explanation on whether it is possible to divide a sum by a number and a number by a sum by using the distributive property. Scholars see which procedure holds up under the rules of arithmetic and...
Scholastic
Study Jams! Divisibility Rules
Learning division is a challenge for many young mathematicians, but this presentation on divisibility rules can make it much easier. Seven different rules are clearly explained and modeled with the support of multiple examples. Consider...
Scholastic
Study Jams! Single-Digit Division
Learning the algorithm for long division is no easy task, but this resource helps to break the process into manageable steps. Beginning with an explanation of basic division vocabulary, this presentation goes on to model long division...
Math Playground
How Do You Do Long Division?
Using a visual means, this film explores the procedure for long division problems. The first example involves dividing 56 by 4. In the film, the numbers are described as tens and ones, and the narrator of the video manipulates the...
Educreations
Dividing Using Friendly Numbers
Simplify division for young mathematicians by teaching them how to use friendly numbers when finding quotients. Three examples are presented in this instructional video that models the process of breaking large dividends into sums of...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Division 2
This video starts with a review of multiplication facts, then shows division examples with remainders. Practice problems are available. [17:02]
Other
G'day Math: Exploding Dots: Lesson 5.6 the Traditional Algorithm
In this video, the instructor demonstrates how his "Exploding Dots" method of division reflects the standard algorithm of long division. He presents side-by-side examples of 276 divided by 12 using the two methods and explains how they...
Math TV
Math Tv: Whole Numbers
Helpful math video tutorials covering topics related to whole numbers including addition, division, estimation, expanded form, exponents, multiplication, order of operations, subtraction, rounding, and more. Choose a teacher and watch...
Khan Academy
Khan Academy: Multiply 4 Digit by 1 Digit (Regrouping)
Demonstrates how to multiply a 4-digit number by a 1-digit number when there is regrouping, using the example of 8085 x 9. [3:23]
Mucho Math
Algebra2go: Introduction to Division
A number line is used to introduced basic division problems with remainders. The technique of using products to verify correct quotients is also demonstrated.
Math Antics
Math Antics: Long Division With 2 Digit Divisors
Gain a basic understanding of long division with 2-digit divisors by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [13:04]
Khan Academy
Khan Academy: Estimating Division That Results in Non Whole Numbers
The teacher uses division to estimate the results in non-whole numbers.
Khan Academy
Khan Academy: Introduction to Division With Partial Quotients (No Remainder)
The teacher introduces division with partial quotients.
Khan Academy
Khan Academy: Division With Partial Quotients (Remainder)
The teacher uses division with partial quotients.
Khan Academy
Khan Academy: Estimating Quotients
The teacher uses estimation to tell whether each estimated quotient is reasonable or unreasonable.
Khan Academy
Khan Academy: Quotients That Are Multiples of 10
Lindsay breaks down division problems using multiples of 10.
Khan Academy
Khan Academy: Comparing Multi Digit Numbers
The teacher compares multi-digit numbers such as 350,000 and 53,000.
Khan Academy
Khan Academy: Rounding Whole Numbers: Missing Digit
Lindsay finds the missing digit in an estimation problem by using a number line.
Khan Academy
Khan Academy: Rounding Whole Numbers Word Problems
Sal solves word problems by rounding whole numbers to the nearest ten, hundred, or thousand.
Khan Academy
Khan Academy: Relate Place Value to Standard Algorithm for Multi Digit Addition
Transition from a place value chart to standard algorithm when adding multi-digit numbers.
Khan Academy
Khan Academy: Estimating With Multiplication
Sal estimates to find reasonable products to 1-digit by 2, 3, and 4-digit multiplication expressions.
Shmoop University
Shmoop: Remainders
The video describes a real-world situation with remainders and relates that to math.
Math Playground
Math Playground: What Is a Quotient?
This video identifies and explains the quotient, dividend and divisor in a division problem.