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. 342 + 232
e. 23 − 5.22
f. 3.43
g. 4.53 − 2.53
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. 4.52
c. 13.45 ÷ 0.252
d. 2.53
e. 3.43 + (4.66 − 2.97)
f. (3.6 + 5.6) − 6.34
g. 2.492 − 1.492
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.
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.
