Number Patterns Worksheet Page 15
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28M1.
(a)
Award TWO marks for the correct answer of 43, even if there
are errors in the working.
If the answer is incorrect, award ONE mark for evidence of an appropriate
calculation of multiplication by 4 and addition of 3, eg:
•
3 + (4 × 10)
•
4 × 10 + 3
•
10 + 10 + 10 + 10 + 3
OR by drawing OR other methods.
Up to 2
(b)
14
1
(c)
Award TWO marks for expressions such as:
•
S = 4N + 3
•
S = 3 + 4N
•
S = N + N + N + N + 3
If the answer is incorrect, award ONE mark for evidence of multiplying N by 4
in the expression, eg:
•
4N
•
4 × N
•
N.4
•
N + N + N + N
OR award ONE mark for evidence of adding 3 in the expression, eg:
•
N + 3
Do not accept S = × 4 + 3 = N
Up to 2
[5]
M2.
(a)
–2 (wherever written).
No mark is awarded for “2–”
1
Page 15 of 28
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