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YEAR 9 NUMERACY Calculator allowed – SET 10 1 Name .................................................................... Date ........................... 1 What is 60% of 60? 2 A Darwin based Navy patrol boat receives a message that a yacht is in distress. Darwin’s position is 12°S and 130°E. Which one of these is closest to the yacht’s position? 2° N, 124° W 4° S, 135° E 4° S, 126° E 12° S, 130° E 3 If you double Emily’s age, subtract three and divide the result by five, the answer is five. How old is Emily? 10 1 30 36 DarwinEquator 140°E

YEAR 9 NUMERACY Calculator allowed – SET 10 2 4 4x + 1 = y Which table is represented by this equation? 5 This webpage shows the timetable for a flight from Perth to Auckland with a stop in Sydney. The times shown on the timetable are the local times for arrivals and departures. The total travelling time including the stopover is shown on the webpage. According to this timetable, what is the time difference between Perth and Auckland?. x –3 –2 –1 0 y 13941 x –3 –2 –1 0 y –11 –7 –3 1 x 13941 y –3 –2 –1 0 x –3 –2 –1 0 y –11 –9 –4 1 Flights Out: Perth to Auckland – Fri 11 Mar 11 From Perth 14:45 Sydney Duration: 9h 05m 05:45To 13:00 Sydney Auckland 19:50Flight QF574 QF113 hours

YEAR 9 NUMERACY Calculator allowed – SET 10 3 6 A school zone has a speed limit of 40 km/hr from 3 pm to 4 pm. A speed camera measured the speeds of some cars as they passed the school at 3:15pm. The results are recorded in this stem and leaf graph. How many cars were exceeding the speed limit? 7 A childcare centre has a ratio of 5 babies to 1 teacher. When a new law is introduced, they must change to a ratio of 4 babies to 1 teacher. How many extra teachers will be needed by a childcare centre that cares for 60 babies? 8 Which of the following equations should be used to find the surface area of this cylinder? Speeds of cars passing a school at 3:15 pm 26 7 8 30 2 5 8 8 9 40 0 3 8 9 9 55 6 9 60 Key: 4 | 7 means 47 cars 2 3 12 15 6 metres 8 metres 6 2 2 2 + 6 8  8 2 2 2 + 8 6  3 2 2 2 + 3 8  6 2 2 + 6 8 