Which team has the advantage? An imaginary story about a game of dodgeball in the lost city of Atlantis demonstrates the ways to compare two quantities. One coach compares the ratios of the numbers of players on each team while the other...

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!

Access the instructional counting level of your class by prompting them to recall consecutive numbers within a given number range. Working one-on-one with your students and starting with the number range of 1-10, and working toward the...

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...

Contains a brief explanation of the existence of imaginary numbers.

This tutorial presents the absolute value of complex numbers using formulas, graphs, and examples. There are practice problems and a teacher resource page to assist students in understanding the concept.

This tutorial and practice shows how to simplify radicals even with a negative number. Features include a teacher page that has a Bingo game to teach the concept.

This lesson may be useful to both persons with prior knowledge of complex numbers and those without. The lesson begins with the definition of complex numbers and its notation, then gives the rules of arithmetic for them with exercises....

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.

Contains a lesson and practice exercises about complex numbers in a complex plane.