Khan Academy
Khan Academy: Introduction to Dividing by 2 Digits
Sal uses estimation to introduce dividing by 2-digit numbers.
Khan Academy
Khan Academy: What Is Inside a Digital Camera? (2 of 2)
A video [3:02] that compares different revisions of the same digital camera.
Khan Academy
Khan Academy: Bitcoin: Digital Signatures
This video is a high-level explanation of digital signature schemes, which are a fundamental building block in many cryptographic protocols. [9:46]
Khan Academy
Khan Academy: Missing Number for 3 Digit Subtraction Within 1000
Use number lines to find the missing value in multi-digit subtraction problems.
Khan Academy
Khan Academy: Three Digit Subtraction Word Problems
Work through a word problems that involve 3-digit subtraction.
Khan Academy
Khan Academy: Three Digit Addition Word Problems
Work through a word problems that involve 3-digit addition.
Khan Academy
Khan Academy: Ross on the Future of Digital Diplomacy
Former Senior Advisor for Innovation of the U.S. Dept. of State discusses what we need to do to foster the best in digital diplomacy for the future. [5:28]
Khan Academy
Khan Academy: Multi Digit Multiplication: 2 Digit Times a 2 Digit Number
This video shows how to multiply a 2-digit number times a 2-digit number.
Imagine Learning Classroom
Learn Zillion: A Digit in One Place Is 1/10 the Value of the Digit to the Left
In this lesson, you will learn that the digit in one place is 1/10 the value of the digit to the left by using base ten blocks. [3:08]
Khan Academy
Khan Academy: Digital Camera: What Is Inside a Digital Camera? (1 of 2)
In this video we go inside the digital camera to discover what is inside and how it works. [9:55]
Imagine Learning Classroom
Learn Zillion: Compare the Value of the Digits in a Multi Digit Whole Number
In this lesson you will compare the value of the digits in a whole number by representing the number with models and using your knowledge of place value. [6:48]
Other
Digital Citizenship: What Is Netiquette?
Three short videos and links to resources on how to behave politely online.
Math Mammoth
Math Mammoth: Add a 2 Digit Number and a 1 Digit Number Mentally: No Regrouping
Uses visual representations to model how to solve the addition of a 2-digit and a 1-digit number where there is no regrouping. [9:10]
Khan Academy
Khan Academy: Bit Zee Bot: 17. How to Hotwire a Digital Camera
This video shows you how to "hotwire" a digital camera. This video outlines the first step in making our digital camera work in the Bit-zee robot. The required voltage for the camera was determined by adding the1.5 volt AAA batteries...
Math Mammoth
Math Mammoth: Mental Addition: Add 2 Digit and 1 Digit Number (With Regrouping)
Teaches mental math strategies for adding a two-digit and a one-digit number. [7:41]
Other
Te Dx Talks: What Do Your Digital Footprints Say About You?
Digital education and social media expert Nicola Osborne encourages us to tread carefully on social media and consider what our digital footprint might reveal about us. [8:23]
Imagine Learning Classroom
Learn Zillion: Use Double Division to Divide 4 Digit Numbers by 3 Digit Numbers
In this lesson, you will learn to calculate division problems with 3 digit divisors by using double division. [4:58]
Khan Academy
Khan Academy: Adding 2 Digit Numbers Without Regrouping 2
Demonstrates how to add 23 to 45 using drawings of base ten cubes to represent 1s and 10s. [2:34]
Khan Academy
Khan Academy: Bitcoin: Digital Signatures
A high-level explanation of digital signature schemes, which are a fundamental building block in many cryptographic protocols. [9:48]
Math Mammoth
Math Mammoth: Mental Addition of Two Digit Numbers
This video explains some strategies that are helpful for adding two-digit numbers in your head. [8:00]
Khan Academy
Khan Academy: Adding Two Digit Numbers (No Carrying)
Watch a short video to review adding two digit numbers without carrying.
Khan Academy
Khan Academy: Multiplication Fun: Example: 1 Digit Multiplication Word Problem
This video shows how to solve a real-world multiplication problem involving single-digit whole number.
Khan Academy
Khan Academy: Two Digit Addition and Subtraction: Subtraction 2
Watch a short video to review addition and subtraction with two digits.
Math Antics
Math Antics: Multi Digit Multiplication Part 1
This video introduces the concept of multi-digit multiplication. [6:04]
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