Surviving your first linear algebra midterm
Row reduction is not the hard part.
Resources
Notes from actual lessons
Written when a question comes up often enough to be worth writing down. No listicles, no score promises.
Draw first, recall second
Why sketching beats memorising the formula sheet.
Twelve weeks out: building a realistic SAT plan
Working backwards from the test date.
From sentence to equation in three passes
A repeatable translation routine for word problems.
What to ask a maths tutor before you pay
Seven questions, and the answers that should worry you.
Four moments to reach for Desmos — and three not to
Graphing is a tool, not a strategy.
Percentage change of a percentage
The single most common careless mistake in Data Analysis.
Growth or decay: reading an exponential before you calculate it
Four questions from the same family, solved by inspection instead of algebra — and the one case where inspection will mislead you.