Key Idea1 of 3
What Is a Half?
When you cut something into 2 equal parts, each part is called a half. We write it as 1/2. The bottom number (2) tells how many equal parts. The top number (1) tells how many parts you have.
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Math — Fractions: Halves, Thirds, and Fourths
When you cut something into 2 equal parts, each part is called a half. We write it as 1/2. The bottom number (2) tells how many equal parts. The top number (1) tells how many parts you have.