Simplifying Ratios
Simplify the Ratio 2:4
1:2
Find the total number of parts if a ratio is 2 : 7
9 parts
A recipe uses flour and sugar in the ratio 3:2. If there are 12 cups of flour, how many cups of sugar are there?
8 cups
A tiler uses 4 blue tiles to every 5 orange ones. How many blue tiles are used if she uses 50 orange tiles?
40 blue tiles
What is the largest planet in our Solar System?
Jupiter
Simplify the ratio 6:9
2:3
Divide $5 in the ratio 2 : 3
$2 and $3
The ratio of boys to girls is 5:7. There are 35 girls. How many boys are there?
25 boys
In a Maths class the ratio of boys to girls is 4 : 7. If there are 12 boys, how many girls are there?
21 girls
What is the fastest land animal
Cheetah
Simplify the ratio 20:25
4:5
Divide $45 in the ratio 4 : 5
$20 and $25
Red and blue paint are mixed in the ratio 4:9. If 36 litres of blue paint are used, how much red paint is needed?
16 litres
Two lengths of timber are in the ratio 3 : 8. The longer length is 56 cm. How long is the shorter length?
21cm
Italy
Simplify the ratio 24:30:36
4:5:6
Divide 56 L in the ratio 3 : 5
21L and 35L
A map has the ratio of parks to lakes as 7:3. There are 42 parks. How many lakes are shown?
18 lakes
In a short crust pastry recipe, flour and butter are needed in the ratio 3 : 2. If 600 g flour is needed, how much butter is needed?
400g
How many colours are there in the rainbow?
7
Simplify the ratio 1/2 : 2/3
3:4
Divide 720 cm in the ratio 4 : 3 : 5
240 cm, 180 cm, 300 cm
The ratio of boys to girls is 7:5. There are 10 more boys than girls. How many children are there in total?
60
In a triangle, the lengths of the sides are 3 : 4 : 5. If the longest side is 25 cm, what is the perimeter of the triangle?
15+20+25=60 cm
Which famous scientist developed the theory of gravity after seeing an apple fall from a tree?
(according to the well-known story).
(Sir) Isaac Newton