NumberExam Tips

Common Mistakes to Avoid

Part of Fractions Basics · GCSE GCSE Mathematics revision

This exam tips covers Common Mistakes to Avoid within Fractions Basics for GCSE Mathematics. Revise Fractions Basics in Number for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 12 of 14 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.

Topic position

Section 12 of 14

Practice

12 questions

Recall

22 flashcards

Common Mistakes to Avoid

❌ Wrong: Not simplifying: Answer = 6/8 ✅ Right: Always simplify: 6/8 = 3/4

Marks lost for not giving simplest form

❌ Wrong: 2½ = 2×1 + 2 = 4/2 ✅ Right: 2½ = 2×2 + 1 = 5/2

Multiply whole by denominator, not numerator

❌ Wrong: ¾ of 80 = 80÷3×4 ✅ Right: ¾ of 80 = 80÷4×3 = 60

Divide by denominator first, then multiply

Keep building this topic

Read this section alongside the surrounding pages in Fractions Basics. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Fractions Basics

In the fraction 5/8, which number is the denominator?

  • A. 5
  • B. 8
  • C. 13 (5 + 8)
  • D. 40 (5 x 8)
1 markfoundation

Explain the difference between a proper fraction, an improper fraction and a mixed number. Give one example of each.

2 markshigher

Quick Recall Flashcards

Visualizing fractions
Pizza model: Whole divided into equal slices Bar model: Rectangle split into equal parts Number line: Fractions between 0 and 1 Always think: Parts out of a whole
Parts of a fraction
Numerator = top number (how many parts) Denominator = bottom number (total parts) Fraction bar = division line 3/4 means '3 out of 4 equal parts'

12 questions on Fractions Basics — practise free

Instant marking, adaptive difficulty, and 22 spaced repetition flashcards. Free until your GCSEs.

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