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课程 3 · 年级 3–4
Fractions: parts of a whole
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A fraction is a part of a whole. Split a pizza into 4 — one piece is 1/4, two pieces are 2/4 = a half (1/2).
💡 Numerator (top) — how many parts you take, denominator (bottom) — into how many you split.
- ●1/2 = a half = 0.5
- ●1/4 = a quarter = 0.25
- ●3/4 = three quarters = 0.75