COLLEGE OF LAKE COUNTY · FALL 2026

MTH 144 · Precalculus

A 14-week online section: functions, sequences and series, trigonometry, polynomial and rational functions, exponentials and logarithms, and conic sections.

📍 START HERE EVERY DAY

Open the Weekly Learning Portal

Every class day, every lesson, every deadline and every exam window — all of it lives there.

🙋 Your Instructor

Cristina Sizemore (she/her) — please call me Cristina or Prof. Sizemore.

• ✉ csizemore@clcillinois.edu — the best way to reach me (always use your CLC email). I reply within 24–48 hours on weekdays.
• 🏢 Office C162 · 847-543-2906 during office hours only

Office Hours · Fall 2026

• 🏢 Tuesday 10:00–11:30am and 3:00–3:30pm — in person
• 💻 Wednesday 10:30–11:30am — on Zoom
• 🏢 Thursday 11:00am–12:30pm and 3:00–3:30pm — in person

Tuesday and Thursday hours are in person in Office C162. If you would rather join one of those over Zoom, email me first so I know to open the meeting.

Join the Zoom meeting — the same link for every session.

If none of those times work, email me and we will find one that does.

📅 This is a late-start section. It runs September 9 – December 12, which is shorter than a full semester, so each week carries a little more than usual. Staying with the portal week by week is the whole trick.