Factors Prime Multiples And Square Numbers Worksheet Page 12
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Gives at least two correct prime numbers and
not more than one incorrect number, eg:
•
37, 39, 41, 43
•
39, 41, 43
•
41, 43
1
[2]
M9.
Explanation which recognises that
each number is one more than a multiple of 3,eg
•
‘It starts at 1 and keeps adding 3 so it misses all the multiples of 3’,
•
‘Multiples of 3 are all 1 less than the numbers’.
No mark is awarded for circling ‘Yes’ alone.
Do not accept vague or arbitrary explanations such as
•
‘They’re too big’;
•
‘It doesn’t go far enough’;
•
‘It is adding 3 all the time’.
If ‘No’ is circled but a correct unambiguous explanation is
given then award the mark.
[1]
M10.
Any 3-difit number that is a multiple of 14, eg:
Any acceptable answers will be even numbers which divide by 7
Do not accept ‘0’ in the hundreds box.
Only three digit numbers are acceptable.
[1]
M11.
All four pairs of prime numbers listed, ie:
•
5 and 31
7 and 29
13 and 23
17 and 19
For 2m, accept all prime numbers listed in pair order, ie:
• 5, 31, 7, 29, 13, 23, 17, 19
2
Page 12 of 15
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