Curated OER
Prime Numbers and Factors
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
Curated OER
Life in Old Babylonia: The Importance of Trade
Students read maps and artifacts for information indicating the existence of a trade network in Old Babylonia and beyond. They list goods imported to and exported from Babylonia. They indicate trading centers on a map of ancient...