What Is the Hardest Subject on the GED?

For most test takers, Mathematical Reasoning is the hardest subject on the GED. This section covers algebra, geometry, data analysis, and word problems—often requiring multi-step reasoning under time pressure. Many adults report feeling out of practice with formulas, equations, and quantitative logic, making this the hardest subject on the GED by a wide margin.

According to GED Testing Service data, Math has the lowest pass rate among the four subjects. Test takers frequently struggle with concepts like slope, linear equations, probability, and interpreting graphs. Unlike the other sections, Math offers little room for intuition—you must apply precise rules to arrive at the correct answer.

While some find Reasoning Through Language Arts challenging due to extended reading passages or essay writing, and others cite Science for its data-heavy questions, Math consistently ranks as the most difficult. This is especially true for those who haven’t used high school-level math in years.

Why Math Feels So Difficult—and How to Overcome It

The hardest subject on the GED isn’t inherently advanced—it aligns with U.S. high school standards through early algebra. However, the test emphasizes applied problem-solving, not just computation. You’re allowed to use a calculator for most questions (the TI-30XS), but you still need to set up problems correctly.

The good news: Math is highly coachable. With 2–6 weeks of focused review using official GED materials, most students improve significantly. Start with foundational topics (fractions, percentages, basic algebra), then progress to geometry and functions.

Use the GED Ready practice test to identify weak areas. Many pass the other three subjects on the first try but retake Math once or twice—this is normal.

Don’t let the hardest subject on the GED discourage you. With targeted practice, it becomes manageable.

Success in Math comes from consistent, structured review—not natural talent.