1. Use a calculator to do the following calculations:
a. 54 x 39
b. 56 + 32 x 9
c. 40 ÷ 4 × 10
d. 5695 ÷ 5
e. 19 + 17.5 − 4.324
f. 32 x 6.5 ÷ 5
g. 1.2875 ÷ 0.5 + 2 x 4
2. Use a calculator to do the following calculations involving brackets and exponents:
a. 32 x (45 + 23)
b. (23 + 56) x 91
c. 4.3 + (3.5 − 2.3) x 2.4
d. 34^{2} + 23^{2}
e. 23 − 5.2^{2}
f. 3.4^{3}
g. 4.5^{3} − 2.5^{3}
3. Use a calculator to calculate the following and round your answers to one decimal place.e.g. 53.4
a. 34.53 + 48.1 x 64.9
b. 4.5^{2}
c. 13.45 ÷ 0.252
d. 2.5^{3}
e. 3.43 + (4.66 − 2.97)
f. (3.6 + 5.6) − 6.34
g. 2.49^{2} − 1.49^{2}
4. The following table shows the distances from Sydney to eight Australian towns and cities.
Name of city or town

Distance from Sydney (km)

Adelaide

1412

Perth

4078

Hobart

1142

Brisbane

1001

Alice Springs

3830

Darwin

4034

Canberra

286

Melbourne

872

a. Enter the data into the first two columns of a spreadsheet.
b. Make the names of the cities bold.
c. Centre the distances.
d. Use a formula to add all of the distances together.
e. Sort the distances into order from smallest to largest.
5. The following data shows the hours worked in a week by four workers at a Pizza takeaway.
Fred

Sally

Bill

Jenny


Monday 
7

6

8

9


Tuesday 
5

5

7

5


Wednesday 
6

8

9

10


Thursday 
4

7

6

5


Friday 
8

9

10

9

a. Put this information into the first 5 columns and first 6 rows of a spreadsheet.
b. Use formulae to find the total hours worked by each employee.
c. Use formulae to find the total hours worked each day.
d. Find the total hours worked by all of the workers.
e. If the workers are paid $9.50 for each hour worked, use a spreadsheet cell to calculate the total week's wages.
6. The following table shows the distances from Wellington to eight New Zealand towns and cities.
Name of city or town Distance from Wellington (km) Auckland 657 Gisborne 547 Hamilton 531 Hastings 322 Masterton 99 Napier 232 Rotorua 460 Taupo 402
a. Enter the data into the first two columns of a spreadsheet.
b. Make the names of the cities bold.
c. Centre the distances.
d. Use a formula to add all of the distances together.
e. Sort the distances into order from smallest to largest.