Curated OER
Detective Digis and the Computer Caper
Mathematicians participate in an hands-on activity to investigate the binary number system and write messages in binary code and have classmates decipher the messages. A said video on the topic does not seem to be available, but the...
Curated OER
Basic Crypto Systems
Students try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
Curated OER
Shape Recognition Games
Students explore shapes. In this math lesson, students identify basic geometric shapes. Students complete activities in which they identify shapes, symbols and letters. Students draw geometric shapes.
Curated OER
Number Recognition Games
Students explore number sense by participating in a math recognition activity. In this number identification lesson, students practice pronouncing names of numbers and matching the number with an amount of objects. Students practice...
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Curated OER
Color Recognition Game
Students study color words. In this math lesson, students complete a variety of activities on the computer in which they identify colors and color words.
Curated OER
Cryptography Implementation
Students explore cryptology. They write a research paper on cryptography. Using linear equations, students invent a code and write a secret message. Students complete cryptography puzzles.