Start off with the definition of the imaginary number i, then have your class practice simplifying expressions involving powers of i and look for patterns. See how the cyclic nature of powers of i translate to sums of powers of i.

Working in teams, groups of learners must collaborate to make their way across an imaginary lava field using foam tiles, carpet pieces, hula hoops, etc. This activity would be best if adapted to a larger facility or outdoors!

Acting as journalists on a team to determine the most influential city-state of Renaissance Italy, your young historians will research, discuss, and compare the rise of Venice, Florence, and Genoa, and their influence in shaping a...

Students learn two easy methods to simplify "i" with any exponent. The practice page has several problems that include explanations. The teacher resource page has two possible activities for helping students understand the concept.