This is a fun and challenging matching game called “Put my Hat on my Head”. It consists of 20 problems in which students practice simplifying expressions with complex numbers. The problems require adding, subtracting, multiplying and dividing complex numbers. Seven of the problems require rationalizing the denominator. Nine of the problems require knowledge of powers of imaginary numbers. None of the problems require simplifying radicals.
( The problems are a bit more complicated than ordinary examples! )
Activity Directions: Students are asked to write each of 20 given expressions as a complex number in standard form. They are also given two pictures – one with men heads labeled with the letters of the problems and one with hats on which are written the answers. Students cut out the hats to “put” each hat “on the head” of the man it belongs to (match answers with problems).
This activity can be completed individually or in pairs.
Answer keys are included.
I hope you and your students enjoy!
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