M7.
(a)
98
1
(b)
8
1
[2]
M8.
(a)
An answer in the range 21 to 26 inclusive.
No mark is awarded for an answer which is not a whole number.
1
(b)
An explanation which recognises that Tony’s snails are a quarter of 80 and that
Gemma’s snails are half of 36, so that Tony found more, eg
•
‘Tony found 20 and Gemma found only 18’;
•
‘Quarter of 80 is more than half of 36’.
No mark is awarded for circling the correct answer of ‘Tony’.
Do not accept vague or arbitrary explanations, eg
•
‘Tony found loads more’;
•
‘Gemma found more but Tony’s amount is bigger’.
Accept a correct, unambiguous explanation even if the wrong
name is circled.
1
[2]
M9.
(a)
Answer in the range 18 minutes to19 minutes inclusive.
1
(b)
Answer in the range 6 minutes to 7½ minutes inclusive.
1
[2]
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