Instructional Video
Crash Course

Crash Course Statistics #2: Mathematical Thinking

9th - 10th
This episode talks about numeracy - that is understanding numbers. From really really big numbers to really small numbers, it's difficult to comprehend information at this scale, but these are often the types of numbers we see most in...
Instructional Video
Imagine Learning Classroom

Learn Zillion: Find Absolute Value Using a Number Line

6th Standards
In this lesson, you will learn how to find the absolute value of a number by using a number line. [3:46]
Instructional Video
Loyola University Chicago

Math Flix: Wordsworth Puzzles Introduction

5th - 8th
This QuickTime movie provides an opportunity to practice solving for a value. A great introduction to the basics of Algebra. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this...
Instructional Video
Jack Hartmann

Jack Hartmann: Subitize Up to 5

Pre-K - K Standards
Subitize is the ability to tell the number of objects in a set, quickly, without counting. In this subitizing song, watch how easy it is to name the numbers in each set of dots, ten frames, and fingers. [4:15]
Instructional Video
Other

Erikson Institute: Matching Cards Game in Pre K

Pre-K
A quick matching card game with dot cards is a fun way for preschoolers to practice recognizing small sets without counting - a key skill for building visual number sense. Watch this video demonstration to see how to incorporate into...
Instructional Video
PBS

Pbs: Odd Squad: Double Storm

3rd - 5th
What does it mean when you double something? Odd Squad needs help containing a double storm headed to the area.
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 10

7th - 8th
This lesson introduces common math symbols. It is 10 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 11

7th - 8th
This lesson introduces common math symbols. It is 11 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 4

7th - 8th
This lesson introduces common math symbols. It is 4 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 5

7th - 8th
This lesson introduces common math symbols. It is 5 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 8

7th - 8th
This lesson introduces common math symbols. It is 8 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 9

7th - 8th
This lesson introduces common math symbols. It is 9 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations: Lesson 1

7th - 8th
This lesson introduces common math symbols. It is 1 of 12 in the series titled "Math Symbols and Abbreviations."
Instructional Video
Sophia Learning

Sophia: Math Symbols and Abbreviations

6th - 8th
This tutorial introduces four common math symbols and abbreviations including the greater than symbol and the plus sign.