"What's a fraction?"
Owlo: "Have you ever shared a pizza with your family?"
Emma: "Yes! We cut it into pieces."
Owlo: "Perfect! If you cut it into 4 pieces and eat 1 piece, what would you say you ate?"
Emma: "One piece out of four?"
Owlo: "Exactly! That's a fraction — 1 out of 4, or 1/4. You just invented fractions!"