1.	14	1
[1]

2.	(a)		1
7	+	1	8	=	2	5	
(b)		1
	U1
2	5	×	3	=	7	5	
[2]

3.	20	1

4.	(a)	65	1m
(b)	8	1m
(c)	180	1m
[3]

5.	(a)	7	1
(b)	2	1
If boxes are blank, Accept answers elsewhere on page, eg
19 – 12 = 7
25 –  2 = 23
[2]

6.	35 (ice-creams)
[1]

7.	(a)	32	1
(b)	5	1
[2]

8.	a	20 × 4 = 80
[1]
b	48 ¸ 2 = 24
[1]

9.	Award TWO marks for all three calculations completed	Up to 2 marks
correctly as shown:

Answers to the calculations are not required for the award of the mark.
	If the answer is incorrect, award ONE mark for two calculations completed correctly, eg

Accept for ONE mark
4, 3, (*) OR
4, (*), 5 OR
4, (*), 3 OR
(*), 3, 5
where (*) is any number or blank.
[2]

10.	Award TWO marks for the diagram completed correctly as shown.	Up to 2m

	If the answer is incorrect, award ONE mark for at least two lines correctly drawn.
Lines need not touch the boxes, provided the intention is clear.
Do not accept two or more lines emanating from the same
left-hand box.
 [2]

11.	92	1
[1]

12.	60 ÷ 10 = 6	1
OR
60 ÷ 6 = 10
OR
6 = 60 ÷ 10
OR
10 = 60 ÷ 6
Award the mark if more than one correct answer is given.
[1]

13.	(a)	4 × 3 × 2 + 1 = 25	1
Accept answers elsewhere on the page if circles are blank.
All must be correct.
(b)	4 × 3 × 2 – 1 = 23	1
All must be correct.
Accept answers elsewhere on the page if circles are blank.
All must be correct.
[2]

14.	Any two numbers which multiplied together give 150, eg	1
	10 × 15
30 × 5
25 × 6
150 × 1
7.5 × 20
[1]

15.	34	1
[1]

16.	18 456	1m
[1]

17.	8340	1m
[1]

18.	121	1m
[1]

19.	9 (boxes)
[1]

20.	
	
(a)	3 in left hand box	1m
(b)	2 in right hand box	1m
[2]

21.	3294	1
[1]

22.	12
[1]

23.	Award TWO marks for the correct answer of 288	up to 2
	If the answer is incorrect, award ONE mark for an appropriate calculation such as
	12 × 24 = incorrect answer.
[2]

24.	
	1
[1]

25.	Award TWO marks for the correct answer of 5291	up to 2
	If the answer is incorrect, award ONE mark for evidence of appropriate 
working which contains no more than ONE arithmetical error, eg
·	long multiplication algorithm such as

	wrong answer
·	grid method
	 100	   40	 3	
30	3000	1200	90	
 7	 700	 280	21	
	= wrong answer
·	decomposition methods, eg
	143 ´ 40 = 5720
	143 ´ 3 = 429
	5720 – 429 = wrong answer
In all cases accept follow through of ONE error in working.
Do not award any marks if:
·	the error is in the place value, eg the omission of the zero when multiplying by three tens,

·	the final (answer) line of digits is missing.
Variations on algorithms are acceptable, provided they represent viable and complete methods.
Calculation must be performed for the award of ONE mark.
[2]

26.	5 and 6 written in the boxes in either order as shown:	1m

OR

[1]

27.	Award TWO marks for the correct answer of 42	Up to 2m
	If the answer is incorrect award ONE mark for evidence of appropriate working containing no more than one arithmetic error, eg
·	long division algorithm

Calculation must be performed for the award of ONE mark.

·	short division algorithm

Short division methods must be supported by evidence of appropriate carrying figures to indicate use of a division algorithm.
·	repeated addition / subtraction methods

No mark is awarded for repeated addition / subtraction the wrong number of times.
·	factor / multiple methods, eg

 [2]

28.	Award TWO marks for the correct answer of 12216	Up to 2m
	If the answer is incorrect, award ONE mark for evidence of appropriate working which contains no more than ONE arithmetical error, eg
·	conventional algorithms such as:

In all cases accept follow through of ONE error in working.
Do not award any marks if:
·	the error is in the place value, for example the omission of the zero when multiplying by the 2 tens;
·	the final (answer) line of digits is missing.
Variations on algorithms are acceptable, provided they represent viable and complete methods.

OR
·	decomposition methods, eg
24 × 500   = 12000
24 × 9      = 216
12000 + 216  = wrong answer
Calculation must be performed for the award of ONE mark.
[2]

29.	3 AND 7 AND 11	1m
Accept numbers in any order.
[1]

30.	Award TWO marks for the correct answer of 9913.	up to 2
	If the answer is incorrect award ONE mark for evidence of appropriate working
which contains no more than ONE arithmetical error, eg
·	Long multiplication, such as

wrong answer
In all cases accept follow through of an error in working.
·	Short multiplication, such as

wrong answer
Do not award any marks if:
•	the error is in the place value, for example the omission of the zero when multiplying by the 2 tens;
•	the final (answer) line of digits is missing.
Variations on algorithms are acceptable, provided they represent viable and complete methods.

	AND evidence of multiplication taking place, eg the presence of appropriate carrying figures.
·	Repeated addition, such as attempts to add 431 twenty-three times.
·	Decomposition methods, such as

AND

wrong answer
·	Any combination of methods which are viable and complete, such as
431 + 431, = 862

Do not award any marks if 431 is added the wrong number of times.
[2]

31.	Explanation that implies that 28 must be added to 3836, eg:	1
·	‘Just add another 28 on’
·	‘Do another 28 on’
·	‘It’s an extra 28’
·	‘3836 + 28’
Do not accept vague or arbitrary reasons, eg:
‘Do the same sum but add 1 to the number’;
‘Do a times sum’;
‘Just another unit on’.
No mark is awarded for giving the answer 3864 without an adequate explanation.
[1]