Foundation

Calculate probabilities from equally likely events

Foundation

Calculate probabilities from equally likely events

Lesson details

Key learning points

  1. In this lesson, we will learn how to find the probability of a single, equally likely event using fractions, in a range of contexts including spinners, dice and counters. We will also learn how to use probability notation correctly.

Licence

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3 Questions

Q1.
Alice is labelling the probability scale. Can you spot her mistake?
Alice has put ‘certain’ in the wrong place
Alice has put ‘impossible’ in the wrong place
Correct answer: Alice has put ‘unlikely’ in the wrong place
Q2.
Alice is labelling the probability scale.Which phrases are missing?
0 and 1
Left and right
Correct answer: Likely and unlikely
Odd and even
Q3.
There are 12 doughnuts in a box. Which letter represents selecting a donut with pink icing?
A
Correct answer: B
C
D

3 Questions

Q1.
A
B
Correct answer: C
Q2.
A
Correct answer: B
C
Q3.
3. Dexter, Rosie and Sunil are playing a game with a six-sided die. Dexter wins if he rolls an even number. Rosie wins if she rolls a number greater than 4. Sunil wins if he rolls a 5. Which player is more likely to win?
Correct answer: Dexter
Rosie
Sunil

Lesson appears in

UnitMaths / Probability 1 (Scale and equally likely events)