Number
15 - 2(22 - 19) =
9
8a x 4b =
32ab
3/5 + 1/5 - 2/5 =
2/5
Calculate the perimeter of a square with side length 4.5 cm
P = 18 cm
Convert 2145 to am/pm
9:45 pm
6 - 4 x 4 =
10a + a - 3b + 5b =
11a + 2b
Which fraction is smaller? 2/5 or 1/3
2/5
Convert 3900 mm to cm
390 cm
How many hours in 1 week?
168 hours
Express 140 as a product of its prime factors
142 = 22 x 5 x 7
5ab2 / 15b =
ab/3
Convert 4 2/3 to an improper fraction
14/3
Convert 2.5 km to cm
250 000 cm
Calculate the time difference between 11:42 am and 3:30 pm
3 hrs 48 minutes
14 + 5 x 2 - (2 - 18) =
40
3 x a x a - b x 7
3a2 - 7b
2 1/5 x 1 3/4 =
77/20 or 3 17/20
Calculate the area of a square with perimeter 12cm
A = 9 cm2
A doctor earns $180 000 working 40 weeks per year, 5 days per week, 10 hours per day. Calculate the doctor's pay per hour.
$90/hour
-2[(8 - 38) / -3] - 5 =
-25
7a - 6a(5 - 2a) =
12a2 - 23a
5 - 9/10 div 1 7/8 =
113/25 or 4 13/25
A pencil is formed by placing an equilateral triangle with side length 4 cm is on top of a rectangle with the same width, and length 10 cm. The total length of the pencil is 15 cm. Draw a clear diagram and calculate the area and perimeter of the shape.
P = 32 cm
A = 50 cm2
Miss Lee travels 8 hours 26 minutes on a flight from Melbourne to Kuala Lumpur and spends 2 hours and 20 minutes at the airport. Then, she goes on a 12 hour and 19 minutes flight to Geneva. What is her total flight time?
20 hours 45 minutes