National Security Agency
Go One-on-One with Decimals
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
Partnership for Educating Colorado Students
Mayan Mathematics and Architecture
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
Curated OER
Exploring Number Systems
Students work in a group to prepare a poster about a new number system. They research a variety of number systems, create new symbols for their original number system and develop a tutorial for the class.
Mathematics Assessment Project
The Number System
Count this assessment in the "use" pile. Middle schoolers solve a set of five problems in the seventh and eighth grade number system domains. All problems are in pure mathematics with no applications.
Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Sixth Grade Number Systems
For this number systems worksheet, 6th graders complete problems where they must find percentages of whole numbers. Students complete 16 problems.
Curated OER
Count Like an Egyptian
In this count like an Egyptian worksheet, 5th graders convert 24 Egyptian hieroglyphs into modern day numbers, then write 15 modern numbers as hieroglyphs; the conversion code is given on each page.
Curated OER
Integers And Words
In this integers and words worksheet, students practice the skill of converting integers into words and vice-versa. Students share their conversions with their classmates.
Curated OER
Deci-order
Fourth graders play a game to practice their decimal number ordering skills. They use their knowledge of the number system to create the biggest decimal number. Students are dealt 3 cards each with the reminaing cards placed face down...