Properties of Numbers: WJEC GCSE Numeracy Foundation November 2018 Unit 1 Q1

Numeracy Foundation November 2018 Unit 1 Q1

WJECFoundationCurrent spec5 marksProperties of Numbers Rounding

(a)

Gary Smith buys a car from Rob Marsh.
Look at the cheque below.
It is from Gary Smith to Rob Marsh.

(i)

Write the number four thousand and thirty five, in figures.
Write it in the box on the cheque. [1]

(ii)

Rob Marsh estimates this amount to be ten thousand pounds.
Is this a good estimate?

Yes ☐ No ☐

Give a reason for your answer. [1]

(b)

Rob Marsh’s last statement of his bank account is shown below.

(i)

The balance of the account on 29th October is –£21.00.
Explain what this means. [1]

(ii)

Rob Marsh expects £50.00 to go into his account on 30th October.
What will be the new balance of his bank account? [2]

Mark scheme (a)

Scheme	Marks	Comments
(i) 4035(.00)	B1	Answer may be written on the lines. Answer in the box takes precedence to one on lines. Accept 4,035 Ignore other commas Do not allow 4.035
(ii) No indicated and correct reason given, e.g. ‘It should be four thousand not ten thousand.’ ‘He rounded it up when it should be rounded down.’ ‘No, not correct to the nearest ten thousand’ ‘No, it is less than ½ of 10000’ ‘No it is (about) 6000 short’	E1	Allow ‘It should be five thousand not ten thousand.’ ‘Much too big’ ‘Too far away’ ‘No, it is not near ten thousand’ ‘No he needs 5965 to reach ten thousand’ ‘No, because it is 5965 off’ ‘No, it is nowhere near ten thousand pounds’ ‘No because it’s nearer 5000’ No, it’s below 5000’ ‘No, it is under 5 so would round lower’ ‘10000 is not near 4035’ ‘No, 4035 is not close enough to 10000’ Do not allow ‘No, the amount is 4035’ ‘No, the number is below 10000 so is not a good estimate’

Mark scheme (b)

Scheme	Marks	Comments
(i) Suitable explanation given, e.g. ‘It means that he is in debt (by £21.00).’ ‘He owes the bank (£21).’ The account is overdrawn (by £21) ‘He borrowed £21 from the bank’ ‘He took too much money out of the bank so is in debt’	E1	Allow ‘He's used money he hasn't got’ ‘He used more than what was in his bank’ ‘He was overdue by £21’ ‘This means Rob has to pay back the (-)£21’ ‘It means that that is how much under zero he has.’ ‘Has withdrawn money out of his account but now has to pay it back’ ‘Has gone below his balance and has to pay it back’ ‘He has spent more money than he had in his bank’ ‘Not enough money to pay’ ‘he has spent £21 more than he has got’ Do not accept ‘He has gone below his balance’ ‘Every time there’s a new date the balance is decreasing’ ‘Money not fully paid’ ‘Has gone under budget’ ‘He went over his limit’ ’21 has been taken out’ ‘He has nothing in his bank’ ‘If the balance is a -, it means that all the money in the account has been spent’ ‘This means he has -21 out if his account’ ‘He owes 21 to GM Shoes as he had only 6.29 in his account’
(ii) -21 + 50 or 50 - 21	M1	Clear indication that they are adding 50 to -21 or subtracting 21 from 50
(£)29(.00)	A1