80questions
10minutes
7.5seconds each
s1

Multiplication tricks

Shortcuts that replace a long multiplication with a single step.

s2

Memorization

The numbers and formulas you are expected to already know cold.

s3

Miscellaneous

Bases, remainders, logs and sets — the middle of the test.

s4

Advanced

The back forty: Fibonacci, phi, and the harder approximations.

s5

Contest coverage

Types that appear on real papers but were missing from the book.