- Math Quotient Blog

Squaring Numbers in Your Head
A squaring numbers trick for every 2-digit number: squares ending in 5, the split, up and down, near round numbers, a square-root check and a 5-minute drill for JEE Main and SAT speed.

Fast Multiplication Tricks for Test Speed
Five math tricks for fast multiplication: numbers near 100, difference of squares, doubling and halving, split and add, and the cross method, with when each is slower and a 10-minute drill.

Geometric Sequences
Geometric sequence formulas made clear: the nth term, the sum of n terms and the sum to infinity, a quick ratio test, the link to SAT exponential functions, common mistakes and JEE-style practice.

Simple and Compound Interest: Formulas, Table and Worked Examples
Compound interest is interest on interest; simple interest is on the start amount only. Learn both formulas, see a 5-year AED table where they split, find the rate or time, and link it to SAT exponential growth.

Surface Area of a Cone: Curved and Total Area, Worked Examples
The surface area of the cone is πr² + πrl: the base plus the curved side. Find the slant height from the height, see why the side is πrl, and tell open cones from closed ones.

Area of a Circle: Formula, Sectors, Rings and Worked Examples
The area circle formula is A = πr²: square the radius, then multiply by π. See why it works, find the radius from the area, work out sectors and rings, and avoid the mistakes that cost marks.

JEE Maths Time Management: How to Pace the Paper
JEE maths time management in plain steps: 70 minutes for maths in three rounds, skip rules in seconds, timer checkpoints, a weekly mock routine and how to tell a speed problem from a concept gap.

JEE-Style Maths Questions with Answers
10 JEE maths questions in JEE Main style: algebra, matrices, circles, vectors, calculus and probability, with full working, the trap in each wrong option and a +4 / -1 score table.

SAT Study Plan Maker: Weeks to Test Day
Pick your SAT date, enter your practice maths score, target and hours, and get a printable week-by-week SAT maths plan with official practice built in.

SAT-Style Systems of Equations Questions
10 SAT-style systems of equations questions with full working: the fastest method for each, the k-value traps, UAE word problems and a score table.

When to Start SAT Prep: A Timeline for UAE Students
When to start SAT prep, counted back from the 2026-27 SAT dates in the UAE: 2, 4 or 6+ months by the score gap, timelines by age, and the UAE year.

Is a Calculator Allowed on the SAT?
Yes: a calculator is allowed on every SAT maths question. Desmos is built in; your own handheld is fine without CAS. Banned features, models and test-day rules.