2-1: Uses of Numbers
Uses of Numbers
2-3: Place Value in Whole Numbers
Video: Place Value
Video: Math Antics Video (longer)
Video: Khan Academy Video
2-6: Landmarks of Data
Line Plot Video
Mean/Median/Mode Video
2-7: Addition of Multi-Digit NumbersPartial-Sums Algorithm: Partial-Sums Videos
Column Addition: Column Addition Video
2-7a: Traditional Addition Algorithm
Math Antics Video
Khan Academy Video
2-8: Displaying Data
Types of Graphs Video
2-9: Subtraction of Multi-Digit Numbers
Traditional Subtraction: Traditional Subtraction Video
Partial-Differences: Partial-Differences Video
Uses of Numbers
2-3: Place Value in Whole Numbers
Video: Place Value
Video: Math Antics Video (longer)
Video: Khan Academy Video
2-6: Landmarks of Data
Line Plot Video
Mean/Median/Mode Video
2-7: Addition of Multi-Digit NumbersPartial-Sums Algorithm: Partial-Sums Videos
Column Addition: Column Addition Video
2-7a: Traditional Addition Algorithm
Math Antics Video
Khan Academy Video
2-8: Displaying Data
Types of Graphs Video
2-9: Subtraction of Multi-Digit Numbers
Traditional Subtraction: Traditional Subtraction Video
Partial-Differences: Partial-Differences Video