Number Knowledge
100: What is 7 × 8?
(56)
What is 20% of 50?
(10)
: Angles in a triangle add up to?
(180°)
Simplify: 2x + 3x
5x
The most common value is called the…?
Mode
Name the first 5 prime numbers.
(2, 3, 5, 7, 11)
Convert 0.125 into a fraction.
(⅛)
Area of a rectangle with length 8 cm and width 3 cm.
(24 cm²)
Expand: 3(x + 4)
(3x + 12)
: Probability scale runs from … to…?
0- 1
What is 12²?
(144)
Increase £40 by 25%.
(£50)
Name the triangle with two equal sides.
(Isosceles)
x² + 5x.
x(x+5)
Find the mean of: 2, 4, 6, 8.
5
Write ⅖ as a decimal.
(0.4)
A jumper costs £30. It’s reduced by 20%.
What is the new price? (£24)
Formula for the area of a circle.
(πr²)
Solve: 2x + 7 = 15.
(x = 4)
A bag has 3 red balls and 7 blue balls. What’s P(red)?
(3/10)
What is the cube of 5?
(125)
100: ½ = ? in percentage.
(50%)
In a right-angled triangle, a = 3, b = 4.
What is c using Pythagoras? (5)
5x – 3 = 2x + 9.
(x = 4)
In a data set, the highest value is 50, the lowest is 12. What is the range?
38