Ontario · Grade 7
G7.D2.1
Grade 7 — Use mathematical language, including the terms "impossible", "possible" and "certain", to describe the likelihood of events happening, and use that likelihood to make predictions and informed decisions.
The skill that covers it
What a student should be able to do
- List the sample space of a one- or two-stage experiment and count its outcomes.
- Write the probability of an event as a fraction in lowest terms.
- Express the same probability as a fraction, a decimal and a percent.
- Describe an event as impossible, unlikely, even, likely or certain, and compare two events.