Newest

Acute right and obtuse angles

Khan Academy
503
05:31

Measuring angles

Khan Academy
490
04:04

Using a protractor

Khan Academy
492
03:25

Measuring angles in degrees

Khan Academy
490
08:21

Angle basics

Khan Academy
492
06:48

Identifying rays

Khan Academy
498
05:39

The golden ratio

Khan Academy
459
14:41

Language and notation of the circle

Khan Academy
506
11:11

Specifying planes in three dimensions

Khan Academy
448
04:11

Drawing lines exercise example

Khan Academy
508
01:54

Lines, line segments, and rays

Khan Academy
446
03:37

Euclid as the father of geometry

Khan Academy
548
08:22

Identity property of 0

Khan Academy
441
04:45

Inverse property of addition

Khan Academy
462
02:59

Properties of numbers 2

Khan Academy
446
01:51

Inverse property of multiplication

Khan Academy
422
03:16

Telling time exercise example 1

Khan Academy
506
02:50

Telling time exercise example 2

Khan Academy
458
02:15

Measuring the same rectangle with different unit squares

Khan Academy
476
03:43

Introduction to area and unit squares

Khan Academy
511
04:16