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Practise this lesson

Three printable worksheets that build from foundations to mastery, or build your own from any module’s questions.

Worksheets

Practise this lesson

Three printable worksheets that build from foundations to mastery, or build your own from any module’s questions.

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Module 3 · Financial Mathematics · Lesson 4 of 14

Pay Slips, Reading and Calculating

Read and interpret a pay slip, calculate gross and net pay, and check whether the recorded figures are correct.

50 min MS-F1 4 WE 5 MC 3 SAQ
0%learn
Think First

Have you ever looked at a pay slip and wondered why the amount deposited into your bank account is so much less than what you thought you'd earn? A pay slip isn't just a receipt, it's a legal document that records exactly how your pay was calculated. If something is wrong, you need to be able to spot it. Before we go through the maths, think: what information would you expect a pay slip to show, and what might your employer legally be required to include?

Learning Intentions
Know
  • The components listed on a standard pay slip (ordinary pay, overtime, allowances, deductions, gross, net)
  • That gross pay = all earnings before deductions
  • That net pay = gross pay − total deductions
Understand
  • Why gross and net pay are different figures
  • Why deductions must not be included when calculating gross pay
  • How to work backwards from net pay to find gross pay
Can Do
  • Calculate gross pay from ordinary hours, overtime and allowances
  • Find gross pay by adding deductions back to net pay
  • Identify and correct errors in a partially completed pay slip
Gross PayTotal earnings before deductions, shown on a pay slip.
Net PayThe final amount paid into a bank account after all deductions.
DeductionsAmounts subtracted from gross pay (tax, superannuation, union fees, etc.).
SuperannuationCompulsory employer contributions to a retirement savings fund.
PAYG TaxPay As You Go tax, income tax withheld by the employer and sent to the ATO.
2

Anatomy of a Pay Slip

A pay slip is a structured document, every line has a specific meaning, and knowing the vocabulary lets you check that you've...

01

Anatomy of a Pay Slip

A pay slip is a structured document, every line has a specific meaning, and knowing the vocabulary lets you check that you've been paid correctly.

Under Australian law, employers must provide a pay slip within one working day of each pay day. A standard pay slip contains:

Pay slip as a vertical calculation flow: earnings add to gross pay, then PAYG deduction gives net pay.
Gross pay is the sum of all earnings. Net pay is what lands in your account.
Gross vs Net: Always check whether a question is asking for gross or net pay. They are different figures and require different calculations. Gross pay is the total before deductions, not the bank deposit amount.
Common error, Don't include deductions when calculating gross pay: Gross pay = all earnings added together. PAYG tax and superannuation are subtracted after gross pay is found. Including them too early is a consistent source of error.
Book notes

Quick check: Which figure on a pay slip represents total earnings before any deductions are removed?

3

Calculating Gross Pay From Mixed Sources

Many workers receive pay from several sources in a single pay period, the pay slip lists each one separately, and gross pay is...

02

Calculating Gross Pay From Mixed Sources

Many workers receive pay from several sources in a single pay period, the pay slip lists each one separately, and gross pay is their sum.

A realistic pay slip for a full-time worker might include: ordinary hours, overtime hours at one or more penalty rates, a daily or weekly allowance, and possibly leave loading. The process is always the same:

  1. Calculate each earning component individually
  2. Sum them for gross pay
  3. Apply deductions if asked for net pay
  4. Convert to the requested time period if needed

In a 4-mark extended response question, each step is worth a mark, the final answer is usually worth only 1 of the 4. Showing complete working is therefore worth more than getting the number right.

List every component before adding: Write each earning line before summing. A calculation that jumps straight to a total with no working shown will earn no method marks, even if the final answer is correct.
Common error, Don't forget allowances: Students routinely calculate ordinary and overtime pay correctly but forget to add allowances. Re-read the question after completing your calculation to check every stated component has been included.
Insight, YTD columns: On a real pay slip, YTD (year-to-date) figures show cumulative totals since the start of the financial year. HSC questions occasionally include YTD columns, read only the current pay period column unless explicitly asked about YTD.
Book notes

True or false: When calculating gross pay, deductions such as PAYG tax should be subtracted from the earnings total before you find the gross pay figure.

4

Checking and Verifying a Pay Slip

Part of financial literacy is being able to check whether you've been paid correctly, a skill that's also directly tested in...

03

Checking and Verifying a Pay Slip

Part of financial literacy is being able to check whether you've been paid correctly, a skill that's also directly tested in HSC questions.

A common HSC question format presents a completed pay slip with one or more errors and asks you to identify and correct them. Strategy:

  1. Recalculate each component independently using the given hours and rates
  2. Compare your figures to those on the pay slip, line by line
  3. Identify any discrepancy and state both the incorrect value and the correct value

Another format gives you the net pay and some deductions, and asks you to find the gross pay, in this case, work backwards:

$$\text{Gross pay} = \text{Net pay} + \text{Total deductions}$$
When working backwards from net pay, add deductions back: Gross = Net + Deductions. This is the reverse of the normal direction and is easy to get backwards under exam pressure.
Common error, Don't confuse "deductions" with "expenses": In a pay slip context, deductions are amounts taken from gross pay by the employer (tax, super). Personal expenses (rent, groceries) are irrelevant to pay slip calculations.
Book notes

An employee's net pay is $\$1,643.20$ and total deductions are $\$630.80$. Their gross pay is $\$$.

5

Pay Slip Strategy for Exam Questions

Pay slip questions look busy, but they become much easier once you treat the document like a table of components instead of a...

04

Pay Slip Strategy for Exam Questions

Pay slip questions look busy, but they become much easier once you treat the document like a table of components instead of a paragraph of numbers.

The best approach is to separate the pay slip into three categories:

  • Earnings: ordinary pay, overtime, allowances, leave loading
  • Deductions: tax withheld, employee super, union fees or similar deductions
  • Totals: gross pay and net pay

Then ask yourself one question: am I moving forward from earnings to gross to net, or am I moving backward from net to gross? That one decision usually tells you which operation to use.

Exam technique: If the pay slip includes lots of numbers, rewrite only the relevant ones in your working. This helps you avoid accidentally using YTD values or unrelated figures.
Reasonableness check: Net pay must be smaller than gross pay. If your net pay is larger, you have almost certainly added instead of subtracted, or used the wrong figures.
Book notes

Match each pay slip term to its correct description.

  • Gross pay
  • Net pay
  • PAYG tax
  • Superannuation
  • Income tax withheld by employer
  • Compulsory retirement savings contribution
  • All earnings before deductions
  • Take-home bank deposit
6

Worked Examples

Worked Examples

Worked Examples

PROBLEM 1 · GROSS PAY FROM A PAY SLIP

Hana works as a hospitality supervisor. This fortnight she worked 76 ordinary hours at $\$27.50$/hr, 6 hours of overtime at time-and-a-half, and received a meal allowance of $\$18.00$ per day for 10 days. Calculate her gross pay for the fortnight.

1
$\text{Ordinary pay} = \$27.50 \times 76 = \$2{,}090.00$
76 ordinary hours at normal rate
1 of 5
Book notes
PROBLEM 2 · WORKING BACKWARDS FROM NET PAY

Luca's pay slip shows a net pay of $\$1,643.20$. His deductions for the fortnight are: PAYG tax withheld $\$482.00$, superannuation $\$148.80$. Calculate his gross pay.

1
$\text{Total deductions} = \$482.00 + \$148.80 = \$630.80$
Sum all deductions
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Book notes
PROBLEM 3 · IDENTIFYING A PAY SLIP ERROR

A pay slip shows: Ordinary pay (38 hrs × $\$24.00$) = $\$912.00$ ✓ | Overtime (4 hrs at time-and-a-half) = $\$96.00$ | Tool allowance (5 days × $\$14.50$) = $\$72.50$ ✓ | Gross pay = $\$1,080.50$. Identify the error and calculate the correct gross pay.

1
$r_{\text{OT}} = \$24.00 \times 1.5 = \$36.00\text{/hr}$
Calculate the correct overtime rate (time-and-a-half)
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Book notes
PROBLEM 4 · FINDING NET PAY

A pay slip shows gross pay of $\$1,986.40$. Deductions are PAYG tax $\$412.00$, union fees $\$18.40$, and employee superannuation $\$96.00$. Calculate the net pay.

1
$\text{Total deductions} = \$412.00 + \$18.40 + \$96.00 = \$526.40$
Add all listed deductions first
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Book notes

Name three types of deductions that might appear on an Australian pay slip (not including gross pay or net pay).

Revisit Your Initial Thinking

Look back at what you wrote in the Think First section. What has changed? What did you get right? What surprised you?

1

Show what you have learned

Multiple choice, then short answer under exam conditions.

Multiple Choice, 5 Questions

MC

Multiple Choice

5 random questions from the lesson bank, feedback shown immediately.

Short Answer Questions

SAQ 1

A worker's pay slip shows ordinary pay of $\$1,248.00$, overtime pay of $\$186.50$, and allowances of $\$64.00$. Calculate the gross pay.

Show sample answer

$\text{Gross pay} = \$1{,}248.00 + \$186.50 + \$64.00 = \mathbf{\$1{,}498.50}$

SAQ 2

An employee's net pay is $\$1,782.40$. Their deductions are tax $\$436.00$ and union fees $\$16.40$. Calculate the gross pay.

Show sample answer

$\text{Total deductions} = \$436.00 + \$16.40 = \$452.40$

$\text{Gross pay} = \$1{,}782.40 + \$452.40 = \mathbf{\$2{,}234.80}$

SAQ 3

A pay slip records 38 hours at $\$26.00$/hr ordinary time and 4 overtime hours at time-and-a-half, but shows overtime pay as $\$104.00$. Identify the mistake and calculate the correct gross pay if there is also a $\$32$ allowance.

Show sample answer

$\text{Ordinary pay} = 38 \times \$26.00 = \$988.00$

$\text{Correct OT rate} = \$26.00 \times 1.5 = \$39.00\text{/hr}$

$\text{Correct OT pay} = 4 \times \$39.00 = \$156.00$

Error: The pay slip used the base rate instead of the overtime rate ($\$104$ = $\$26$ × 4).

$\text{Correct gross pay} = \$988.00 + \$156.00 + \$32.00 = \mathbf{\$1{,}176.00}$

1

Consolidate and move on

Sit the module quiz, then close the lesson off.

Boss Battle

Pay Slip Check Challenge

Face the boss using your knowledge of pay slips, gross pay, net pay, and deductions. Treat each question like a fast pay slip audit: identify whether you need to add or subtract, then check if the result is sensible.

✓

Lesson Complete!

You've worked through the anatomy of pay slips, gross and net pay calculations, error identification, and the reverse deduction formula.

Year 11 Index Module 3 Index Maths Standard