Topics · Graphs, Data & Chance
Chance
A fraction can say how likely something is. What SHOULD happen and what DOES happen get closer the more you try.
Games, weather, luck — chance has rules you can learn.
More ways into this idea
- Play with itSpinner LabSpin for real and race the theory
- Test yourselfA fresh mixed set, whenever you likeExplanations after every question. Nothing is recorded.
Common sticking points
- A common sticking point is expecting a result because it 'hasn't come up in a while'. The spinner can't remember. Every spin is a fresh start.
Try this together
Flip a coin 10 times together and guess the count of heads first. Was it exactly 5? Ask: what if we flipped 100 times?
1–5 minutes, no materials to buy, nothing to hand in.
Ontario curriculum details
- D2.1Use fractions to describe probability
- D2.2Compare what should happen with what does happen
Plain-language summaries. See the full curriculum for every expectation and the official source.