Mathematics with a Calculator Flashcards
6 cards from real CAEC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Mathematics with a Calculator flashcards as text
A worker earns $22.50 per hour and works 37.5 hours per week. What are the worker's weekly gross earnings?
Answer: $843.75
Weekly earnings = $22.50 × 37.5 = $843.75.
The temperature dropped from 4°C to −11°C overnight. By how many degrees did the temperature drop?
Answer: 15°C
Temperature change = 4°C − (−11°C) = 4 + 11 = 15°C.
A container holds 3.75 litres of juice. If 6 people share it equally, approximately how much does each person receive?
Answer: 0.63 L
Amount per person = 3.75 ÷ 6 = 0.625 L ≈ 0.63 L.
A room is 6.4 m long and 4.5 m wide. What is the perimeter of the room?
Answer: 21.8 m
Perimeter = 2 × (length + width) = 2 × (6.4 + 4.5) = 2 × 10.9 = 21.8 m.
If a train travels at an average speed of 95 km/h, how long will it take to travel 380 km?
Answer: 4 hours
Time = Distance ÷ Speed = 380 ÷ 95 = 4 hours.
A tax of 13% (HST) is applied to a purchase of $64.00. What is the total amount paid?
Answer: $72.32
Tax = 13% × $64.00 = $8.32. Total = $64.00 + $8.32 = $72.32.