Number Systems
Find the value of 9.6 x 7 =
67.2
Find the value of 3x+2 when x=5
17
A rectangle computer screen has sides of length 35cm and 25cm. Work out the area of the computer screen, in cm² .
875cm²
What is the size of each angle in the triangle?
60°
Find ½ of 25
12.5
Fill in the blanks for the following pattern.
1, 4, 7, 10, __, 16, __
1, 4, 7, 10, 13, 16, 19
Find the value of 4a-2b, where a=3 and b=1
10
A rectangle computer screen has sides of length 35cm and 25cm. Work out the perimeter of the computer screen.
120cm
Two of the angles in a triangle are 80° and 40°. The third angle is A. Work out the size of angle A.
60°
Write 0.6 as a fraction in its simplest form.
3/5
√121 =
11
Solve the equation 3x-1=11
4
If the diameter of a tube of pringles is 8cm, what is the radius of the tube of pringles?
4cm
A right angle triangle has sides of length 3cm, 4cm and 5cm. What is the length of the hypotenuse?
5cm
8/9 - 5/6=
1/18
5⁵ =
3125
Simplify x+7y+10x-15y
11x-8y
Joan wants to paint the house, an area of roughly 170m² . Each tin of paint will cover 100m² , and costs €42.50.
Joan can only buy full tins of paint - it is not possibloe to buy part of a tin.
Work out how much the paint will cost Joan.
€85
A rectangle has an area of 36 cm² and a length of 9 cm. Find its width.
4cm
Sarah has €40 and spends ⅜ of it. How much money does she have left?
€25
2, 4, 8, __, 32, __, __
2, 4, 8, 16, 32, 64, 128
Factorise 12x+15
3(4x+5)
The length of a side of a solid wooden cube is 2cm. Find the volume of the cube in cm³.
8cm³
A rectangle has a perimeter of 30 cm. Its length is 10 cm. Find its width.
5cm
A jacket costs €80. It is reduced by 25%, then an additional €5 is taken off the sale price. What is the final price?
€55