If the numbers the arrows land on are different, the score is the higher number.
If the numbers the arrows land on are the same, the score is 0
(a) Complete the table to show the possible scores. [2 marks]
Spinner B
2
2
3
5
Spinner A
1
2
2
0
4
6
(b) Write down the probability that the score is an odd number. [1 mark]
(c) The same game is played using spinners C and D.
The numbers on C are shown.
The table shows some of the possible scores.
Spinner D
Spinner C
1
4
4
0
6
7
0
8
Write the missing numbers on spinner D. [2 marks]
Mark scheme (a)
Answer
Mark
Comments
All values correct
B2
B1 one correct row or one correct column
Additional guidance
Spinner B
2
2
3
5
Spinner A
1
2
2
3
5
2
0
0
3
5
4
4
4
4
5
6
6
6
6
6
Mark scheme (b)
Answer
Mark
Comments
\(\dfrac{5}{16}\)
B1ft
oe fraction, decimal or percentage ft their table if at least 8 values
Additional guidance
Answer must match their table, if table blank, accept \(\dfrac{5}{16}\) (oe) for B1
5 out of 16, 5 in 16, 5 : 16
B0
\(\dfrac{5}{16}\) (matches their table) \(= \dfrac{1}{4}\)
B1ft (ignore further work)
Mark scheme (c)
Answer
Mark
Comments
B2
numbers can be in any section if the spinner is blank, mark the top row of table, where the numbers must be in the order 4 4 7 8 for B2 B1 for any two or three correct numbers on spinner or, if spinner is blank, in the correct position in the table
Additional guidance
Ignore any other values written in table
Spinner takes precedence over table eg top row of table is 4 4 7 8 spinner is 2 3 5 8
