1. Write out the following amounts in dollars:
a. seven dollars and fifty cents
b. ten dollars and ten cents
c. eighteen dollars and five cents
d. one hundred and ten dollars and one hundred and ten cents
2. Calculate the following (do first without a calculator and then check your answer):
| a. $4.50 + $5.60 | b. $9.99 + $9.99 | c. $10.00 − $4.55 |
 |
| d. $29.90 − $17.45 | e. $3.45 + $4.55 − $2.65 |
f. $1 000 000 − $90 909 (answer on right --->) |
3. Calculate the following :
 |
a. $2.50 x 8 | b. $3.95 x 7 | c. $12.54 x 25 |
| d. $5.50 ÷ 5 | e. $84.40 ÷ 8 | f. $100.20 ÷ 0.2 |
4. Round the following amounts of money to the nearest 5 cents:
(a) 49 cents
(b) $3.87
(c) $5.31
(d) $100.04
5. Calculate the following :
| a. 10% of $540 | b. 25% of $1000 | c. 150% of $312 |
| d. $30 out of $80 as a percentage. | e. Increase $340 by 10% | f. Decrease $800 by 20% |
6. The following table shows the cost PER DAY (in New Zealand dollars) of rental cars in Britain:
|
Type of car
|
Doors/seats
|
3-6 days
|
7-21 days
|
More than 21 days
|
 |
| Subaru Impreza 22b |
2/4
|
188
|
172
|
151
|
|
| Ferrari F40 |
2/2
|
212
|
200
|
186
|
|
| BMW M3GTR |
2/4
|
257
|
241
|
221
|
(a) What is the cost of renting the Ferrari for 22 days?
(b) Which is cheaper? The Subaru for 7 days or the BMW for 4 days?
(c) A family wants to rent a 2 seater car for a week and a 4 seat car for three weeks. What is the cheapest way to do this?
7. A supermarket sends out the following advertisemen for household appliances:
|
Fans at $29.95 |
Irons at $34 |
What is the cost of: (a) Two toasters? (b) A fan and a frying pan? (c) A dozen fans? (d) One of each of the appliances? (e) Five irons with a discount of 10% taken off? (f) A toaster, a fan and frying pan? (g) The average price of all four items? |
|
Toasters at $45.50 |
Frying Pans at $27.50 |
8. How much change (round where necessary) would I get from $10 when I purchase:
(a) Five bars of chocolate at $1.85 each?
(b) 9 litres of petrol at 97 cents per litre?
(c) 3 loaves of bread at $2.82 each?
9. (a) A newspaper costs 95 cents each day. I buy a newspaper every day for 7 weeks. How much will they cost in total?
(b) I buy a five CDs for $33.50 each.
(i) How much do I have to pay?
(ii) How much change will I get from four $50 notes?
(c) A car dealer buys three cars for $3,450, $4,290 and $5,200. He sells them for a total of $20,000.
How much profit does he make?
10. Janet bought a television set for $983 and a DVD player for $845. She had saved $2000 and decided to buy DVDs for $34 each with the money she had left. How many DVDs could she buy?
