| Covers Basic skills Levels 1 and 2 and some GCSE work. |
| Basics | Impossible, possible and certain events |
| | Probability scales |
| | Tossing coins and rolling dice experiments |
| | Expected outcomes, possible outcomes |
| | Calculating probabilities of equally likely events. |
| | Complementary events |
| Combined Events | Mutually exclusive events, the OR rule |
| | Independent events, the AND rule |
| | Sample space and tree diagrams |
| | Experimental probability, Probability trees |
| | Conditional probability |