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Fractions: Understanding Halves, Quarters, and Parts of a Whole

Mathematics Grade 4 Difficulty 2/5

Beginning of the lesson

Understanding Fractions: Parts of a Whole

What is a Fraction?

A fraction represents a part of a whole. When we divide something into equal pieces, each piece is a fraction of the whole thing!

The Whole vs. The Part

Imagine you have a whole pizza. When you cut it into equal slices, each slice is a part of the whole pizza.

Whole Pizza1 Part

Equal Parts Are Essential!

Important Rule: For something to be a fraction, all parts must be EQUAL in size!
✓ Equal Parts✗ Unequal Parts

Parts of a Fraction

Every fraction has three important parts:

Numerator

3
4

The top number tells us how many parts we have or are talking about.

Fraction Bar

3
4

The line between the numbers means "divided by" or "out of".

Denominator

3
4

The bottom number tells us how many equal parts the whole is divided into.

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In the full lesson

  • The complete explanation
  • Worked examples
  • Common mistakes and how to avoid them
  • Test questions: 63
  • AI tutor that answers questions about the topic
  • Progress tracking for students, parents and teachers