Learn to order 1 decameter, 13 meters, 15,000 millimeters, and 1900 centimeters from least to greatest. [4:02]

Learn how to use a ruler to compare the lengths of different objects such as rectangles and triangles. [3:06]

Video lesson provides practice with estimating the length of an object when given the length of another object. [2:02]

Models how to solve word problems involving metric length. [5:49]

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on solving capacity word problems.

This video tutorial explores applying the metric system to solve word problems involving converting metric length.

How can you tell when to go to bed when the sun never sets? This video discusses how a place on Earth can experience 24 hours of daylight due to the tilt of the Earth. Video very easy to follow. [5:58]

How does everything even out? Learn what 2D Equilibrium is and how it effects the balance of life.

How can it be summer in North America and winter in Australia at the same time?! Discover the reason for the seasons. [5:39]

In this video we replicate Pascal's famous experiment that showed atmospheric pressure was due to the column of the weight of the air above. To test this we build a simple pressure measuring device, make measurements around Boston, and...

Explore how to find and compare unit rates.

A video example demonstrating how to convert English units of measure to metric units. [4:25]

Determine the area of composite figures by breaking the figure into known shapes. Assess learning with a quiz.

Use the formula for area to define the term formula and explore how to solve for the area. Take quiz to assess learning.

This video lesson defines and provides an example of indirect measurement.

A quick review lesson on how to measure mass for a scientific investigation. [1:35]

Watch this introductory tutorial explaining how to measure liquid volume in scientific investigations. [1:46]

Practice using some common metric prefixes including milli, centi, deci, kilo, micro, nano, mega, and giga.

A tutorial screencast which illustrates how to compare an observed, calculated density to the actual density reported in reference sources. [4:27]

Watch this video to help with practice converting various units of measure. [8:06]

Explore the similarities and differences between rate and ratio with this video tutorial.

Unit rates are solved and defined in this lesson.

This lesson will present how to find the volume of a hemisphere. Student watch a video tutorial and then can take an online quiz.

In this lesson, you will learn how to apply scale maps and scale models by using unit rates. [4:37]