Find the Change
A customer buys items costing £4.50 and £1.25 and pays with £10.
£4.25
A model is ½ the size of a 100 cm object.
50cm
Items must be 5 ± 0.3 cm.
Is 5.2 cm acceptable?
Yes
A bank pays £2 per month. How much is paid in a year?
£24
Find the mean of 4, 6, 8.
6
A meal costs £7.80 and a drink costs £1.45. Paid with £20.
£10.75
A model is 3/10 the size of a 200 cm helicopter.
60 cm
Items must be 5 ± 0.3 cm.
Is 4.6 cm acceptable?
No
A bank pays 3% interest on £1000.
£30
Find the mean of 10, 12, 18, 20
15
A customer spends £12.65 and pays with £20.
£7.35
A model is ¼ the size of a 360 cm object.
90cm
Items must be 5 ± 0.3 cm.
State the min and max
4.7cm and 5.3cm
Which gives more:
£2 per month or 3% of £1000?
3% interest (£30)
Find the mean of 5, 5, 7, 7, 11.
7
A customer buys items costing £5.75, £2.85 and £1.40 and pays with £20.
£9.99
A model is 3/10 the size of a 450 cm helicopter.
135 cm
Items must be 4 ± 0.3 cm.
Which is not acceptable: 4.2, 3.9, 3.6, 4.1?
3.6 cm
£1300 invested.
Reward = £2/month.
Interest = 3% per year.
interest (£39 beats £24)
The roll prices are:
£1.38, £1.25, £1.44, £1.61, £1.32, £1.37.
£1.40
A customer buys items costing £8.95, £4.60 and £3.85 and pays with £20.
£2.60
A model is 3/10 the size of a 670 cm helicopter.
201 cm
Items must be 5 ± 0.3 cm.
Which values are not acceptable:
5.4, 4.8, 4.5, 5.1, 5.7?
5.4 cm, 4.5 cm and 5.7 cm
£1800 invested.
Reward = £3/month.
Interest = 2% per year.
Either bank, because both pay £36
The roll prices are:
£1.37, £1.35, £1.54, £1.51, £1.42, £1.77.
£1.49