Limits & continuity
Limit laws, one-sided limits, continuity, and L'Hôpital's Rule.
AP Calculus AB & BC
Online AP Calculus tutoring for AB and BC students.
Live one-to-one sessions that follow your student's AP course, strengthen the concepts behind each unit, and build the clear written justification the free-response section expects.
$50 / 60 minutes · No long-term commitments · No required prepaid packages · 12-hour cancellation policy
What we cover
What AP Calculus sessions cover
Differentiation & applications
Chain rule, implicit differentiation, related rates, optimization, and the Mean Value Theorem.
Integration & accumulation
The Fundamental Theorem of Calculus, u-substitution, Riemann sums, differential equations, and slope fields.
Applications of integrals
Area between curves, volumes by disks, washers, and shells, and motion problems.
BC-only topics
Integration by parts, partial fractions, improper integrals, Euler's method, and parametric, polar, and vector functions.
Sequences & series (BC)
Convergence tests, Taylor and Maclaurin polynomials, and radius and interval of convergence.
Free-response practice
Writing complete justifications, labeling units, and managing calculator and non-calculator sections.
Joshua’s college-level teaching background
Joshua Lizardi holds an M.S. in Applied Mathematics, an M.S. in Data Analytics, a B.S. in Mathematics, and a Graduate Certificate in Applied Statistics, with 9+ years of teaching mathematics, including college and graduate-level instruction. Standard family AP tutoring is $50 per 60-minute session.
- Live one-to-one sessions through Zoom
- $50 per 60-minute session
- No long-term commitments or required prepaid packages
- 12-hour cancellation policy
- Flexible scheduling
- Payment through Zelle
Family cancellation policy, effective November 1, 2026
Cancel or reschedule with at least 12 hours' notice without charge. With less notice, the full $50 session fee may be charged. Student no-shows are generally charged the full scheduled fee. If Northstar cancels, you are not charged; any payment collected for that session is refunded or credited as appropriate. Rescheduling depends on mutual availability. Previously agreed individual exceptions are honored, and this policy does not apply to earlier sessions.
Private tutoring is $50 per 60-minute session. Invoices are typically issued after 4 tutoring sessions and paid through Zelle. Late-cancellation or no-show fees may appear on an invoice. No required prepaid packages or long-term commitments.
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