1
Chance words
Certain (1) → Likely → Even chance (1/2) → Unlikely → Impossible (0).
0 ── 1/2 ── 1
Chance
📖 Study · Chance
Chance
Chance describes how likely something is to happen.
🎯 What you'll learn
- ✓Use words: certain, likely, unlikely, impossible
- ✓Calculate simple probability
2
Coin toss
Heads or tails — each has chance 1/2.
H or T = 1/2
3
Rolling a die
6 sides. Each number has 1/6 chance.
🎲 each face = 1/6
4
Probability sum
All chances together add up to 1. Heads (½) + Tails (½) = 1.
½ + ½ = 1
5
Drawing from a bag
If a bag has 3 red, 2 blue, chance of red = 3/5.
3 red ÷ 5 total
6
Fractions of certainty
1/2 = even chance, 3/4 = likely, 1/10 = unlikely.
1/10 < 1/2 < 3/4