Fractions
7/8 - 2/8 =
= 5/8
1/4 + 2/4 =
= 3/4
1/7 + 3/7 - 2/7 =
= 2/7
What is the formula for the perimeter of a rectangle?
P = (L+W) x 2
14/16 - 3/8
8/16
What is a quarter of 4?
one
1/4 + 3/8
5/8
A rectangle is 4 cm long and 2 cm wide. What is the perimeter?
P = 12 cm
2/3 + 3/4
17/12
or
1 and 5/12
7/9 - 1/2 =
= 14/18 - 9/18
= 5/18
Mr Olney has 21 pies. If he eats one himself what is half of the remainder?
10 cupcakes
Mr Olney has a triangular pyramid and a rectangular Prism. How many edges do they have combined?
Edges = 6 + 12
= 18
Write the following (on the board) in a format that can be solved:
(4/3 + 3/4) - (2/3 + 3/2)
= (16/12 + 9/12) - (8/12 + 18/12)
= 27/12 - 26/12
= 1/12
Solve on the board using full working and write as a mixed number:
2/3 + 4/5 =
= 10/15 + 12/15
= 22/15
= 1 and 7/15
If 24 people have 18 pies each, how many pies are there in total?
= 432 Pies
Simplify the fraction twenty five over 100 to the simplest form
1/4
or
one over four
Mr Olney has how many brothers and sisters? This means he is what fraction of his siblings?
6!
1/6
What is the difference in age between Mr A and Mr O? Write your answer as a simplified fraction of Mr O's age.
35 - 30 = 5
Age = 5/35 or 1/7
Mr Olney made 12 chicken pies and 6 mince pies and 6 cheese and bacon pies on the weekend. What fraction AND percent of the pies were his favourite flavour of pie?
Chicken is my favourite!
= 12/24 or 1/2
= 50%
1/2 x 1/4 =
= 1/4