Page 395 - NUMINO_WB_6B
P. 395
187-B3-1
1. Find out whether each event is fair or unfair.
a. Kate and Thomas take turns to roll a die. Kate wins if she
rolls an even number. Thomas wins if he rolls an odd
number.
( Fair , Unfair )
b. Ann and Jessica take turns to take a ball out of a bag. There
is 1 blue ball, 3 red balls, and 4 white balls in the bag. Ann B RW
wins if she takes out a red ball. Jessica wins if she takes out R W
W
a white ball. ( Fair , Unfair ) W R
2. Each person must choose a spinner. Whoever spins a vowel wins the game.
Complete the table. Which spinner is a better choice to win?
ac gi
k
e
B
A a e
Spinner A c
Spinner B
g
i
k
The better spinner:
1. Find out whether each event is fair or unfair.
a. Kate and Thomas take turns to roll a die. Kate wins if she
rolls an even number. Thomas wins if he rolls an odd
number.
( Fair , Unfair )
b. Ann and Jessica take turns to take a ball out of a bag. There
is 1 blue ball, 3 red balls, and 4 white balls in the bag. Ann B RW
wins if she takes out a red ball. Jessica wins if she takes out R W
W
a white ball. ( Fair , Unfair ) W R
2. Each person must choose a spinner. Whoever spins a vowel wins the game.
Complete the table. Which spinner is a better choice to win?
ac gi
k
e
B
A a e
Spinner A c
Spinner B
g
i
k
The better spinner: