Alg2 - 2025 Revisions

[schanzer]

General Framework for these units:

• First lesson always N&W about new dataset - try fitting models we already know
• Second new kind of function - let's graph and play in desmos, identify sequences, identify situations
• Third: let's try to fit the data with that model
• Fourth: not part of the pattern

Bite-sized chunks

• New Fitting Models Lesson #2266
• Quadratic Unit Rewrite #2267
• Exponential Unit Todos #2268
• teach roughnums in Exponential 3 #2331
• Linearity Unit ToDos #2269
• Logarithmic Unit Todos #2270
• Periodic Unit ToDos #2271
• Alg 2 opt-printables and stretch items #2272

CONFIRM WE DID THE FOLLOWING

• Read the lesson to confirm that prose makes sense
• Make it clear when students are using their best guess to build models, vs. a computational method like LR
• Audit prerequisites, learning outcomes, vocabulary, and keywords
• We need to tell teachers explicitly in the lesson plan why we are choosing to use Desmos and then switch to Pyret. The learning benefit of exploration, identifying coefficients for the model they fit, computing residuals for them… rather than being given regression functions without having to think them through - Desmos Regressions tool demo
• Update student facing goals
• quadratic pyret feather simulation Dave Scott experiment on the moon

[flannery-denny]

@schanzer Confirming I'm understanding what you're imagining for the top of converting between angles...
Student-facing:

Ifsoln:

The notes say you wanted the answer key to have decimal equivalents and you only wanted major angles... but I'm guessing you're still imagining non-major angles will go in the table and that's when the decimal equivalents come into play?

We can discuss in our meeting.

• add dots for coordinates
• add arrows for directions of movement
• surface 2pi and 360 differently
• decimals in solution to 3 place values
• only minors in table below

[flannery-denny]

@schanzer @ds26gte Do either of you know a rule I can add to lessons/periodic3-fitting-models/modeling-recent-co2-2 that would make the autonumbering start at 8?

[flannery-denny]

@schanzer Do you have a collection of ideas for this page in your head or would you also be starting from scratch?

students are given periodic situations, and have to fill in the blanks of a periodic parent function as best they can.

[schanzer]

@flannery-denny

• Number of tulips in the garden over the course of a year
• positive flu cases over the course of a year
• tidal height over the course of a day
• Light emitted from the moon over the course of a month