Calculating Monthly Gross & Net Pay: Answer Key
Instructions: calculate the pay for each situation below.
*This activity is intended to teach students taxes and deductions are subtracted from earnings. People
may qualify for a tax refund after they have filed their income tax if they have sufficient tax credits,
deductions, or their income is below a certain level. Due to frequent changes in tax laws, check the
Canada Revenue Agency website for up to date and accurate information.
1. Helen earns $16 an hour and works 100 hours per month. What is her gross monthly pay?
After 25% income tax and 1.62% employment insurance (EI) deductions, what is her net
monthly pay?
gross monthly pay = hourly pay rate x number of hours worked that month
gross monthly pay = $16 x 100
Gross Monthly Pay = $1600
Net Monthly Pay = Gross Monthly Pay – deductions
Net Monthly Pay = $1600 - $400 (income tax) - $25.92 (EI)
Net Monthly Pay = $1,174.08
2. Roger earns $1200 each month before taxes and deductions. After 25% income tax and
1.62% Employment Insurance (EI) deductions, what is his net monthly pay?
Net Monthly Pay = Gross Monthly Pay – deductions
Net Monthly Pay = $1200.00 - $300.00 (income tax) - $19.44 (EI)
Net Monthly Pay= $880.56
3. Peter makes $20.00 an hour and works 120 hours per month. What is his gross monthly pay?
After 25% income tax and 1.62% Employment Insurance (EI) deductions, what is his net
monthly pay?
Gross Monthly Pay = hourly pay rate x number of hours worked that month
Gross Monthly Pay = $20.00 x 120
Gross Monthly Pay =$2,400.00
Net Monthly Pay = Gross Monthly Pay – deduction
Net Monthly Pay = $2,400.00 - $600.00 (income tax) - $38.88 (EI)
Net Monthly Pay = $1,761.12
4. Tommy makes $17.00 an hour and works 40 hours per month. What is his gross monthly
pay? After 25% income tax and 1.62% Employment Insurance (EI) deductions, what is his
monthly net pay?
Gross Monthly Pay = hourly pay rate x number of hours worked that month
Gross Monthly Pay = $17.00 x 40