Year 2 Mark Scheme Reasoning and Problem Solving Autumn 2017

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Q1

70

1

Q2

Eleven – 11, Twelve – 12, Thirteen – 13, Fourteen
-14

1

Award 1 mark all 4 numbers and words correctly
matched.

Q3

32 and 23

1

Accept 32 and 23 in reverse order e.g. 23 and 32

32 is bigger than 23 with a reason (e.g. 3 tens are
larger than 2 tens)

1

Children need to reason that there are more tens in
32 than 23.
Children may also reason that 32 ones are more
than 23 ones.

Q4

12 + 8 = 20
8 + 12 = 20
20 – 12 = 8
20 – 8 = 12

1

Award 1 mark for all four correct

Q5

22 and 32

1

Accept 32 and 22

Q6

Any combination that totals 24p

1

Accept any unambiguous indication of coins that
total 24p.

Q7

Sam is matched to the tens frame showing 14
Tom is matched to the tens frame 20
Jenny is matched to the tens frame showing 8

1

Award 1 mark for all 3 correct

Q8

Tom has 32 more marbles.

2

Award 2 marks for correct answer even if no working
is shown.
Award 1 mark for correct numbers indicated e.g. 56
and 24 or for a correct number and correct operation
indicated e.g. 56 - 44

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Q9

Any combination of coins totalling 16p

1

Do not award a mark for amounts used that do not
resemble a coin e.g. 10p + 6p

Q10

4 × 10 = 40
10 × 4 = 40

1

Award mark for other combinations that the array
could show e.g. 5 × 8 = 40, 8 × 5 = 40, 2 × 20 = 40,
20 × 2 = 40

Q11

72p

2

Award 2 marks for correct answer.
Award 1 mark for working that shows how much the
teddy costs e.g. 20p + 26p and then this used to
work out how much altogether but with an incorrect
answer.

Q12

2

Award 2 marks for all 3 correct.
Award 1 mark for 1 correct.

Q13

22

2

Award 2 marks for correct answer.
Award 1 mark for working that indicates adding Tom
and Anna’s toys together correctly and subtracting
this amount from 65 but with an incorrect answer
Award 1 for working that indicates 65 – 19 – 24 with
some correct working out but with an incorrect final
answer e.g. 65 – 19 = 46, 46 – 24 = 23

Q14

2

Award 2 marks for both numbers correctly placed. 15
must be half way between intervals 10 and 20
51 must be just after the interval 50.
Award 1 mark for one number correctly placed.


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