Khan Academy: Measuring Lengths With Different Units

Measuring length with nonstandard units is the focus of this word problem activity. Youngsters problem solve using cubes, paper clips, footprints, and pencils. They solve six problems.

Sal uses different units, standard and non-standard, to measure the same object. Includes a video, transcript, and question and answer section. [2:53]

In this lesson, students units use different units to measure the same object.

Sal finds area of a rectangle with different sized units.

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]

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]

Models how to find the area of a shape on a grid that has different angle sizes by counting both square and partial units. [3:16]

In this exercise, students practice measuring lengths 2. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Sal uses a ruler to compare the lengths of different objects. Includes a video, transcript, and question and answer section. [3:06]

Measure objects using a ruler. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.