Instructional Video
Khan Academy

Khan Academy: Measuring Lengths With Different Units

1st - 3rd Standards
Sal uses different units, standard and non-standard, to measure the same object. Includes a video, transcript, and question and answer section. [2:53]
Instructional Video
Khan Academy

Khan Academy: Measuring Length: Golden Statue

1st - 3rd Standards
Watch how to measure an object with same-size length units that span it with no gaps or overlaps. Includes a video, transcript, and question and answer section. [4:07]
Instructional Video
Khan Academy

Khan Academy: Measuring Lengths 2

1st - 3rd Standards
Sal demonstrates how to use a ruler while measuring various objects in centimeters and meters. Includes a video, transcript, and question and answer section. [4:39]
Instructional Video
Khan Academy

Khan Academy: Estimating Lengths

1st - 3rd Standards
Sal estimates the length of an object when given the length of another object. Includes a video, transcript, and question and answer section. [2:02]
Instructional Video
Khan Academy

Khan Academy: Comparing Lengths

1st - 3rd Standards
Sal uses a ruler to compare the lengths of different objects. Includes a video, transcript, and question and answer section. [3:06]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Ellipses Trapezoids Rhombi and Polygons

2nd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] The video draws and defines an ellipse, trapezoid, rhombus, and polygon.
Instructional Video
Math Mammoth

Math Mammoth: Measuring to the Nearest Centimeter

2nd Standards
In this video, students are shown how to use a ruler to measure length to the nearest centimeter, and how to estimate and compare length. [3:53]
Instructional Video
Math Mammoth

Math Mammoth: Measuring Length to the Nearest Half Inch

2nd Standards
Models how to use a ruler to measure lines to the closest half-inch. [5:50]
Instructional Video
Math Mammoth

Math Mammoth: Meters and Kilometers

2nd Standards
Explains the difference between a meter and a kilometer and discusses how to choose the most appropriate metric unit for measuring length or distance. [6:01]
Instructional Video
Math Mammoth

Math Mammoth: Measuring to the Nearest Quarter Inch

2nd - 4th Standards
Demonstrates how to measure length to the nearest quarter-inch using a ruler and how to draw lines to a specific length. [5:08]
Instructional Video
Khan Academy

Khan Academy: Recognizing Shapes

1st - 2nd Standards
Discusses how to identify basic 2D shapes by their properties. [6:08]
Instructional Video
Khan Academy

Khan Academy: Comparing Lengths

2nd - 3rd Standards
Learn how to use a ruler to compare the lengths of different objects such as rectangles and triangles. [3:06]
Instructional Video
Khan Academy

Khan Academy: Estimating Lengths

2nd - 3rd Standards
Video lesson provides practice with estimating the length of an object when given the length of another object. [2:02]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Basic 3 D Figures

2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of three dimensional figures.
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Measure an Object in Inches Using a Ruler?

2nd - 3rd Standards
This tutorial shows how to measure an object in inches using a ruler. [5:38]
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Measure an Object in Millimeters Using a Ruler?

1st - 3rd Standards
Watch this tutorial to see how to use a ruler to measure an object in millimeters. [5:51]
Instructional Video
Virtual Nerd

Virtual Nerd: Measure an Object to the Nearest Centimeter Using a Ruler

1st - 3rd Standards
View this tutorial to see how to use a ruler to measure objects in centimeters. [5:27]
Instructional Video
Khan Academy

Khan Academy: Counting Faces and Edges of 3 D Shapes

2nd - 4th Standards
Sal identifies the faces and edges on various 3D shapes. [3:36]
Instructional Video
Khan Academy

Khan Academy: Recognizing Common 3 D Shapes

2nd - 3rd Standards
Sal identifies the following 3D shapes: square pyramid, rectangular prism, triangular prism, cylinder, and cone. [3:28]
Instructional Video
Khan Academy

Khan Academy: Measuring Lengths With Different Units

1st - 3rd Standards
In this video lesson, Sal uses different units to measure the same object, centimeters and rectangles.
Instructional Video
Khan Academy

Khan Academy: Intro to Unit and Area Squares

2nd - 3rd Standards
Sal finds area of a rectangle with different sized units. [3:43]