Khan Academy
MTEL Math Practice Test: 16-19
Providing quick lessons on lattice multiplication algorithms and inequalities, Sal takes viewers through problems 16-19 on the MTEL Practice Math Test. His calm and knowledgeable narration and easy-to-read annotations of each problem...
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...
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...
Khan Academy
Khan Academy: Estimating Multi Digit Multiplication
Estimate to find reasonable solutions to multi-digit multiplication problems.
Khan Academy
Khan Academy: Comparing With Multiplication: Magic
Sal solves a multiplication comparison word problem with Harry Potter characters.
Khan Academy
Khan Academy: Relate Multiplication With Area Models to the Standard Algorithm
Use multiplication with area models to understand how the standard algorithm for multiplication works.
Khan Academy
Khan Academy: Multiplying Multi Digit Numbers
Demonstrates with numerous examples how to multiply 2- and 3-digit numbers using the standard algorithm. [10:26]
Khan Academy
Khan Academy: Multiplying With Area Model: 78 X 65
Sal Kahn uses an area model to multiply 78x65.
Khan Academy
Khan Academy: Multiplying With Area Model: 16 X 27
Sal uses an area model to multiply 16x27.
Khan Academy
Khan Academy: Multiplying 2 Digit by 1 Digit
Learn to multiply a 2-digit number by a 1-digit number without regrouping. In this video, we will multiply 32x3. [1:51]
Khan Academy
Khan Academy: Multiplying 3 Digit by 1 Digit
Learn to multiply a 3-digit number by a 1-digit number without regrouping. In this video, we will multiply 4x201.
Massachusetts Institute of Technology
Mit: Blossoms: Who Do You Know? Theory Behind Social Networking
Through videos and cooperative learning, students to are introduced to algorithmic thinking within a popular field in graph theory, social networking.
Khan Academy
Khan Academy: Multiplying Multi Digit Numbers
Sal shows lots of examples for how to multiply 2- and 3-digit numbers using 'standard algorithm'.
Imagine Learning Classroom
Learn Zillion: Interpret Division as an Unknown Factor Problem Using a Bar Model
In this lesson, you will learn how to solve division problems by using a bar model and what you already know about multiplication and division. [3:35]
Khan Academy
Khan Academy: Multiplying 3 Digit by 1 Digit (Regrouping)
Learn to multiply a 3-digit number by a 1-digit number using regrouping. In this video, we will multiply 7x253.
Khan Academy
Khan Academy: Worked Example: Long Division With Remainders: 2292 / 4
Demonstrates how to solve division of a multi-digit number by a 1-digit number using long division when there is a remainder. [10:07]
Khan Academy
Khan Academy: P vs. Np Problem
By Ayesha Ahmed. Creativity, ingenuity, luck. All concepts that set apart the most brilliant minds from the rest. But also concepts we cannot strictly define. After all, there are no set of rules for genius. Well, actually, there might...