4th Grade Math

Fractions, decimals, and geometric concepts for fourth grade students.
Basic Concepts

Understanding Fractions

What is a Fraction?

A fraction is a way to show parts of a whole. Imagine sharing a pizza with your friends! If you cut a pizza into 4 equal slices and eat 1, you have eaten \( \frac{1}{4} \) of the pizza. The top number, called the numerator, shows how many parts you have. The bottom number, the denominator, shows the total number of equal parts.

Reading and Writing Fractions

Fractions can be written and read in many ways. \( \frac{3}{8} \) means 3 out of 8 equal parts.

  • Numerator: The number on top (parts you have)
  • Denominator: The number on the bottom (total parts)

Visualizing Fractions

You can see fractions in shapes, like coloring half a rectangle or a quarter of a circle.

Why are Fractions Important?

Fractions help us divide things fairly, measure amounts in recipes, and solve problems in everyday life!

Real-World Uses

  • Sharing a chocolate bar among friends
  • Measuring ingredients for cookies
  • Splitting time between activities

Examples

  • Splitting a sandwich into 2 pieces and eating 1 piece means you ate \( \frac{1}{2} \) of the sandwich.

  • Coloring 3 out of 5 sections of a shape means you colored \( \frac{3}{5} \) of it.

In a Nutshell

Fractions show parts of a whole using numerators and denominators.

Key Terms

Numerator
The top number in a fraction that shows how many parts you have.
Denominator
The bottom number in a fraction that shows the total number of equal parts.
4th Grade Math Content & Lessons - Comprehensive Study Guide | Practice Hub