The Basics of Counting (Junior Cert Mathematics): Flashcards

Multiply the number of choices for each independent event to find total outcomes

Multiply the number of choices together

Total outcomes = $m \times n$

$3 \times 2 \times 2 = 12$ different outfits

$2 \times 3 = 6$ different meal combinations

$4 \times 3 \times 2 = 24$ different combinations

$3 \times 2 \times 3 \times 2 = 36$ vacation packages

Helps solve problems quickly when counting possible outcomes

Draw pictures or make a list to see all choices

Check you've included all parts of the question