HSI.2 Functions (F1)

Beginning Lesson

Aws4 request&x amz signedheaders=host&x amz signature=5845e632875e45820aafa1cd76c7c297426e9891ab00ed57c32b3c9fef0e97e0

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=d8068d1996e268789cdaf86c2634bfde84e514d302f02103e9b2454d10f2160a

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=c5a4ce86dad6bf4b502672428a6a37f87010ea342d305cbb80d2b58491d20a75

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)