Lesson 2: Overtime, Penalties and Commissions

Year 10 Mathematics Unit 1 — Block A | Worksheet



Multiple Choice

Q1. Oliver earns $28.50 per hour. He works 38 standard hours and 4 hours overtime at time-and-a-half. What is his gross pay?

A) $1,254.00 B) $1,368.00 C) $1,083.00 D) $1,482.00

Q2. A retail worker earns $24.00 per hour. On Sunday she works 6 hours at double time. How much does she earn for the Sunday shift?

A) $144.00 B) $288.00 C) $216.00 D) $336.00

Q3. A real estate agent earns 2% commission on property sales. She sells a house for $890,000. What is her commission?

A) $17,800 B) $1,780 C) $178,000 D) $8,900

Q4. Which penalty rate calculation is correct for public holiday pay at 250% of the base rate?

A) Base rate x 1.5 B) Base rate x 2.0 C) Base rate x 2.5 D) Base rate x 3.5

Q5. A worker can choose between $30/hr with no overtime penalties, or $25/hr with time-and-a-half after 38 hours. If they work 45 hours per week, which pays more?

A) Option 1 by $75 B) Option 1 by $137.50 C) Option 2 by $50 D) They pay the same

Short Answer

Q6. A chef earns $32.00 per hour for a 40-hour week. She works 3 hours overtime at time-and-a-half and 2 hours at double time on a public holiday. Calculate her total weekly pay. (2 marks)

Q7. A car salesperson earns $800 per week plus 1.5% commission on all sales. In one week they sell cars totalling $145,000. Calculate their total weekly earnings. (3 marks)

Q8. A company offers employees a choice: $35/hr flat rate, or $28/hr with time-and-a-half after 38 hours. For a 42-hour week, which option is better and by how much? (3 marks)

Key Formulas