Geometry
Angles on a straight line adds up to how many degrees?
180 degrees
Translate this word phrase into an algebraic expression.
Seven times a number x, plus a second number y.
7 X x + y or 7x + y
1 metre is equal to how many centimetres?
100
A mason works a basic week of 30 hours and his basic rate is $10. What is his basic wage for that week?
$300
How many prime numbers are between 10 and 20?
4
Name the triangle that has two sides and two angles that are the same.
Isosceles triangle
Simplify the following.
3x X 5y
15xy
What is the formula for finding the area of a right angled-triangle?
1/2 bh ( half base times height)
A shopkeeper buys 50 cricket balls at a total cost of $200. What is the cost of one cricket ball?
$4
What is the LCM (lowest common multiple) between 6 and 10?
30
How many sides does a hexagon have?
6
Solve
2(x - 3)
2x - 6
A square has one side measuring 5cm. What is the perimeter of the square?
20 cm
Change one-fifth to a percentage.
20%
Identify the next number in the sequence.
15, 30, 45, 60, 75, 90, 105,......
120
There are three angles in a triangle. Two angles are 40 degrees and 80 degrees. Identify the third angle?
60 degrees
What is 53?
125
A circle has a diameter of 20 metres. What is its radius?
10 m
An electric fan costs $650. After a year, it is sold for $375. How much was the loss?
$275
What is the smallest three-digit prime number?
101
How many lines of symmetry does a rectangle have?
2
Factorize the following.
25x + 10
5(5x + 2)
How long is it from 11:45 am to 2:15 pm?
2 hours 30 minutes
If US $1 = EC $2.70, how many EC dollars can you get for US $4?
EC $10.80
How many factors 50 have?
6