HSI.2 Functions (F1)

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=684de0aa5d128a97273955bad291ba3228dc7599bc63b8d70917b6e458736e79

Decoder Ring

What are some ways to encrypt secret messages? Students explore function concepts using ciphers to encrypt messages both graphically and algebraically; they try to decrypt some messages too. In the end, they’ll learn what makes for a useful cipher, and what makes a cipher impossible to decode.

Topic: Building Functions (BF), Functions (F), Interpreting Functions (IF)

Middle Lesson

Aws4 request&x amz signedheaders=host&x amz signature=f18955dcb9c2c3ced6e5fd222cfedd7df91966eb42f46799ec73f2c194d16caf

It's a Date

How can we improve our calendar? Students examine some other ways to keep track of dates, and use number sense and function concepts to convert between different calendars.

Topic: Building Functions (BF), Functions (F), Interpreting Functions (IF)

End Lesson

Aws4 request&x amz signedheaders=host&x amz signature=a9365bd2bd47089a418ee3d6ca45447b45cb467f4382bea75563430504b1a017

Carpe Donut

How much should people pay for donuts? Students use linear, rational, and piecewise functions to describe the total and average costs of an order at Carpe Donut.

Topic: Building Functions (BF), Interpreting Functions (IF)