Students will practice simplifying, adding, subtracting, multiplying, and dividing complex numbers with this “Triples” Activity. For division, students must be able to rationalize the denominator, which includes multiplying by the conjugate.

Students find the exact value for each of the 30 cards, then look for the matching “triples”. There will be 10 sets of three cards, each having the same answer. Students can work on their own or with a partner to match the cards. They can show their work directly on the back of the card, or on a separate sheet of paper if you prefer. Once they are finished, I have my students staple their “triples” together and place in a zip-lock bag.

An answer key to use to ensure the correct cards and matched.

###### This resource is included in the following bundle(s):

**Algebra 2 Activities Bundle
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**Algebra 2 & Pre-Calculus Activities Bundle**

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