Page 92 - NUMINO Challenge_D2

Problem solving

1 The candidates for the class president and vice Key Points
president are Susie, Thomas, Lisa, and Mike. Fill in
the with names and find the number of Try to use a tree
outcomes where Thomas is selected as the class diagram to find the
president or vice president. number of
outcomes.

Class Class Vice Class Class Vice
President President President President

Susie Thomas

Class Class Vice Class Class Vice
President President President President

Lisa Mike

2 There are one red, one orange, one yellow, and Draw a tree diagram
one green marble in a box. What are the possible for each case where
outcomes when the marbles are taken out one at the first marble
a time? taken out is a red,
orange, yellow, or
green marble.

89Number of Outcomes