Page 100 - NUMINO Challenge_C2
P. 100
Problem solving Key Points
1 There are 4 balls in a bag. Each ball is a different Draw a tree diagram
color: red, yellow, blue, or black. If you pick a to show the number
ball from the bag without looking, find the of outcomes when
number of outcomes of different orders in which the red ball is
the balls are picked. picked first.
2 Robert learned how to use different colored flags Think of the cases
to send flag signals. If Robert has a red flag, a when one, two, and
white flag, and a blue flag, find the number of three flags are used.
different flag signals Robert can send.
97Number of Outcomes
1 There are 4 balls in a bag. Each ball is a different Draw a tree diagram
color: red, yellow, blue, or black. If you pick a to show the number
ball from the bag without looking, find the of outcomes when
number of outcomes of different orders in which the red ball is
the balls are picked. picked first.
2 Robert learned how to use different colored flags Think of the cases
to send flag signals. If Robert has a red flag, a when one, two, and
white flag, and a blue flag, find the number of three flags are used.
different flag signals Robert can send.
97Number of Outcomes
