This short video and interactive assessment activity is designed to teach second graders about the fewest number of coins and bills to equal a given amount.

This short video and interactive assessment activity is designed to teach fourth graders about converting compound units to feet.

This short video and interactive assessment activity is designed to teach fourth graders about converting compound units to inches.

Standard 8.NS.1 requires students to "convert a decimal expansion which repeats eventually into a rational number." Despite this choice of wording, the numbers in this task are rational numbers regardless of choice of representation. For example, 0.333 and 1/3 are two different ways of representing the same number.

This short video and interactive assessment activity is designed to teach fifth graders about converting decimals into simplified mixed numbers.

This short video and interactive assessment activity is designed to teach second graders about converting dollars into cents.

This short video and interactive assessment activity is designed to teach fourth graders about converting feet to compound units.

This short video and interactive assessment activity is designed to teach fifth graders about converting feet to yards.

This task gives students word problems with a given a set of a specified size and a specified number of subsets. The questions ask the student to find out the size of each of the subsets.

This short video and interactive assessment activity is designed to give fourth graders an overview of conversion between cups, pints, quarts and gallons.

This short video and interactive assessment activity is designed to give fifth graders an overview of comparison of capacity (gallons, pints, and quarts).

This short video and interactive assessment activity is designed to teach fourth graders about converting gallons and quarts into cups.

This short video and interactive assessment activity is designed to teach fifth graders about converting gallons and quarts into cups.

This short video and interactive assessment activity is designed to give fourth graders an overview of conversion of metric units of weight.

This short video and interactive assessment activity is designed to teach fourth graders about converting inches to compound units.

This short video and interactive assessment activity is designed to teach fifth graders about converting inches to feet.

This short video and interactive assessment activity is designed to teach fifth graders about converting inches to yards.

This short video and interactive assessment activity is designed to teach fifth graders about converting kilograms and grams into grams.

This short video and interactive assessment activity is designed to teach fifth graders about converting miles to feet.

The lesson will develop knowledge for other bases besides base 10. The lesson will investigate base 2, base 8, and base 16. The student will write numbers using expanded notation. This lesson results from the ALEX Resource Gap Project.