Number Patterns Worksheet Page 19
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28M11.
An explanation which recognises that half of an even number is sometimes
an even number, eg:
•
‘Every alternate even number gives an even number when halved’
•
‘Two even numbers make an even number’
•
‘Half of a multiple of 4 will always be even’
•
‘Sometimes you get an even number’
OR
a counter-example demonstrating that half of an even number can be an even
number, eg:
•
‘Half of 8 is 4’
•
‘4 ÷ 2 = 2’
•
‘Double 10 is 20’
•
‘Half 12 is 6 but half 6 is 3’.
No mark is awarded for circling ‘No’ alone.
Do not accept vague or incomplete explanations, eg:
•
‘It doesn’t always work’
•
‘It’s always even’
•
‘Half of 6 is 3’
•
‘Two odds make an even’.
If ‘Yes’ is circled but a correct unambiguous explanation is given,
then award the mark.
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Page 19 of 28
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