Number Theory + Computation
The number on the top of a fraction is called what?
Numerator
This diagram uses rectangle blocks, which do not touch each other, where the height of the block represents the frequency of the class. What diagram is this?
Column/Bar Chart
Convert 5 metres to centimetres
500 cm
The number ‘7’ in the algebraic term 7y is called?
coefficient
What is a right angle?
An angle that measures 90°
What is the lowest common multiple (LCM) of 6 and 8?
24
In a group of 10 students, the ages are: 15, 16, 15, 17, 18, 16, 15, 14, 16, 17. What is the mode of these ages?
15 and 16
Convert 3.5 litres to millilitres.
3500 ml
Simplify: 2x – 3x + 4x.
3x
What is an isosceles triangle?
A triangle where two sides and the two base angles are the same
What is the highest common factor (HCF) of 24 and 36
12
Find the mean of the numbers 2, 4, 6, 8, 10?
6
A car travels 480 kilometres in 8 hours. What is its average speed in kilometres per hour?
60 km/h
If 2 multiplied by x added to 4 gives 12, what is x?
4
In a quadrilateral (4-sided shape) all the interior angles add up to what?
360°
List all the factors of the number 60.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60
What is the median of the following set of numbers: 3, 8, 2, 9, 7, 5?
6
A rectangle has a length of 8 cm and a width of 3 cm. What is its area?
24 cm²
Given that 3b + 1 = 49, determine the value of b.
16
A triangle has angles measuring 50° and 60°. What is the magnitude of the third angle?
70°
What is the value of (7 × 11) ÷ 5?
15.4
If the data set is: 12, 15, 19, 14, 16, what is the range?
7
A square and a rectangle as the same area. If the lengths and widths of the rectangle are 16 m and 9 m, respectively. What will be the length of each side of the square?
12 m
If x = 3 and y = 2, evaluate 3x + 4y − 2.
13
I am a 3D shape, I two faces, 1 edge and one vertex. What shape am I?
cone