Curated OER
Counting with Place Value, with the Abacus
Students study an abacus while counting marathon runners. For this place value lesson, students watch a video segment on how counters keep track of marathon runners to reinforce the idea of place value.
Texas Instruments
Texas Instruments: Numb3 Rs of the I Ching
This activity was developed to be used in conjunction with the NUMB3RS episode "Undercurrent," in which a victim is found with a Chinese hexagram tattoo. Students will learn about trigrams and hexagrams, Chinese characters made from...