Four full-length, exam-style practice sets designed to look and feel like a real digital admissions test. Answer choices reveal instant explanations — study alone, in English, at your own pace.
Easy
Set 1 — Foundations
8 Questions · 15 Minutes
Core conversions and single-step problems: fractions ↔ decimals ↔ percents, and basic proportions. Build a solid base before moving up.
Medium
Set 1 — Application
8 Questions · 15 Minutes
Two-step word problems: discounts, unit rates, mixed numbers, and solving proportions with an unknown on either side.
A hand-picked set of the exact problem types Korean students miss most often — reversed percent bases, inverse proportions, fraction-division flips, and "cancel-out" percent illusions. Master this set and no fraction/decimal/percent/ratio question can surprise you again.