Here are the ingredients needed to make 10 pancakes.
Pancakes Ingredients to make 10 pancakes 300 ml  of milk |
Matthew makes 30 pancakes.
Tara makes some pancakes.
She uses 750 ml of milk.
Did this page help you?
Here are the ingredients needed to make 10 pancakes.
Pancakes Ingredients to make 10 pancakes 300 ml  of milk |
Matthew makes 30 pancakes.
Tara makes some pancakes.
She uses 750 ml of milk.
Did this page help you?
Here are the ingredients needed to make 16 gingerbread men.
Ingredients 180 g  flour |
Hamish wants to make 24 gingerbread men.
Work out how much of each of the ingredients he needs.
Did this page help you?
This is a list of ingredients for making chicken soup for 4 people.
Ingredients for 4 people 60 g  butter |
Bill is going to make chicken soup for 6 people.
Work out the amount of each ingredient he needs.
Did this page help you?
225 grams of flour are needed to make 9 cakes.
Marian wants to make 20 of these cakes.
She has 475 grams of flour.
Does Marian have enough flour to make 20 cakes?
You must show all your working.
Did this page help you?
Jack is building a wall.
He uses 300 bricks to build part of the wall.
This part of the wall is 5 metres long and 1.5 metres high.
The complete wall will be 8 metres long and 1.5 metres high.
How many more bricks does Jack need to complete the wall?
Did this page help you?
Jon shares £700 equally between his two children, Ellie and Maddie.
Ellie gives £125 of her share of the money to Maddie.
Jenny shares £630 between her two children, Daniel and Rose, in the ratio 5: 13
Did this page help you?
Sandra has a piece of string 153 cm long.
She cuts the string into three lengths in the ratio 4 :2 :3
Work out the length, in centimetres, of each piece of string.
Did this page help you?
is half of .
Work out the ratio
Circle your answer.
Did this page help you?
Circle the ratio
Did this page help you?
is times .
Circle the ratio that is equivalent to   Â
Did this page help you?
Aiko, Max and Pau share 5400 yen in the ratios 5: 3:4
How much money does each of them get?
Aiko ....................................................... yen
Max ....................................................... yen
Pau ....................................................... yen
Did this page help you?
The ratio 45 minutes to 3 hours 45 minutes can be written in the form 1 : .
Find the value of .
...........................
Did this page help you?
The ratio 2 centimetres to 5 metres can be written in the form 1 :Â .
Find the value of .
= .....................Â
Jay, Sheila and Harry share £7200 in the ratio 1 : 2 : 5.
How much does Harry receive?
£ ....................Â
Did this page help you?
The ratio 50 grams to 1 kilogram can be written in the form 1 : n.
Find the value of n.
n = .....................................................
Did this page help you?
Last year, Katie earned £16200.
Her total loan repayments were £6400.
Katie estimates that the ratio of her loan repayments to her earnings is approximately 3 : 8.
Is she correct?
Show your reasoning.
Did this page help you?
18 rice cakes weigh a total of 130 g.
There are 329 calories in 100 g of rice cakes.
How many calories are there in one rice cake?
..................... caloriesÂ
Did this page help you?
Here are the ingredients needed to make 12 shortcakes.
Shortcakes Makes 12 shortcakes   50 g of sugar |
Liz makes some shortcakes.
She uses 25 ml of milk.
Robert has Â
Did this page help you?
Here is a list of ingredients for making 18 mince pies.
Ingredients for mince pies 225 g  of butter |
Elaine wants to make 45 mince pies.
Elaine has
Does Elaine have enough of each ingredient to make 45 mince pies?
You must show clearly how you got your answer.
Did this page help you?
Here are the ingredients needed to make 8 shortbread biscuits.
Shortbread biscuits 120 g  butter |
Tariq is going to make some shortbread biscuits.
He has the following ingredients
330g butter    200g caster sugar    450g flour
Work out the greatest number of shortbread biscuits that Tariq can make with his ingredients.
You must show all your working.
Did this page help you?
160 cm of gold wire has a weight of 17.8 grams.
Work out the weight of 210 cm of the gold wire.
Did this page help you?
There are 1200 students at a school.
Kate is helping to organise a party.
She is going to order pizza.
Kate takes a sample of 60 of the students at the school.
She asks each student to tell her one type of pizza they want.
The table shows information about her results.
Pizza | Number of students |
ham | 20 |
salami | 15 |
vegetarian | 8 |
margarita | 17 |
Work out how much ham pizza Kate should order.
Write down any assumption you make and explain how this could affect your answer.
Did this page help you?
The ratio of the number of boys to the number of girls in a school is 4: 5
There are 95 girls in the school.
Work out the total number of students in the school.
Did this page help you?
5 schools sent some students to a conference.
One of the schools sent both boys and girls.
This school sent 16 boys.
The ratio of the number of boys it sent to the number of girls it sent was 1: 2
The other 4 schools sent only girls.
Each of the 5 schools sent the same number of students.
Work out the total number of students sent to the conference by these 5 schools.
Did this page help you?
Babajan makes breakfast cereal.
She mixes nuts, raisins and oats in the ratio 3 : 2 : 5 by weight.
On Monday, Babajan uses 60 grams of nuts.
On Tuesday, Babajan makes 300 grams of the breakfast cereal.
500 grams of nuts cost £8
Did this page help you?
Talil is going to make some concrete mix.
He needs to mix cement, sand and gravel in the ratio 1 : 3 : 5 by weight.
Talil wants to make 180 kg of concrete mix.
Talil has
Does Talil have enough cement, sand and gravel to make the concrete mix?
Did this page help you?
Emma has a digital photo.
The photo has a width of 720 pixels.
The photo has a height of 540 pixels.
Emma wants the ratio of the width of the photo to the height of the photo to be 3 : 2
She reduces the number of pixels in the height of the photo.
The width of the photo is still 720 pixels.
The ratio of the width of the photo to the new height of the photo is 3 : 2
Did this page help you?
Deon needs 50g of sugar to make 15 biscuits.
She also needs
         three times as much flour as sugar
         two times as much butter as sugar
Deon is going to make 60 biscuits.
Deon has to buy all the butter she needs to make 60 biscuits.
She buys the butter in 250 g packs.
Did this page help you?
A shop sells packs of black pens, packs of red pens and packs of green pens.
There are
      2 pens in each pack of black pens
      5 pens in each pack of red pens
      6 pens in each pack of green pens
On Monday,
number of packs of black pens sold |
: | number of packs of red pens sold |
: | number of packs of green pens sold |
= 7: 3 : 4 |
A total of 212 pens were sold.
Work out the number of green pens sold.
Did this page help you?
Rob is learning about the planets.
Rob makes a model of the Sun.
He also makes a model of the planet Jupiter.
Rob is going to hang the two models in the school hall.
Rob wants a distance of 16 m between the two models.
The real distance between the planet Jupiter and the Sun is 8 108 km.
Work out the scale Rob should use.
Give your answer in the form 1 :Â
Did this page help you?
is five times bigger than .
Circle the ratio
Did this page help you?
The value of is 20% more than the value of .
Circle the ratioÂ
Did this page help you?
Two wire shapes make an earring.
The shapes are
a circle with radius 21 mm
and
a quarter circle.
radius of circle : radius of quarter circle = 7 : 2 |
Show that the radius of the quarter circle is 6 mm.
Did this page help you?
White paint costs £2.80 per litre.
Blue paint costs £3.50 per litre.
White paint and blue paint are mixed in the ratio 3 : 2
Work out the cost of 18 litres of the mixture.
£........................
Did this page help you?
For Class X, Â Â Â number of boys : number of girls = 7 : 8
For Class Y, Â Â Â number of boys : number of girls = 3 : 4
Which statement must be true?
Tick one box.
Did this page help you?
Ed and Fay shared £330 in the ratio    7 : 4
Ed gives Fay some of his money.
Fay now has the same amount as Ed.
How much does Ed give Fay?
£...............................
Did this page help you?
Brendon, Asha and Julie share some money in the ratios 3 : 2 : 6
The total amount of money that Asha and Julie receive is $36
Work out the amount of money that Brendon receives.
$..................
Did this page help you?
A plane has a length ofmetres.
A scale model is made of the plane.
The scale of the model isÂ
Work out the length of the scale model.
Give your answer in centimetres.
Did this page help you?
A football team played 55 games.
Each game was won, drawn or lost.
number of games won : number of games drawn : number of games lost = 6 : 3 : 2
Work out how many more games the team won than the team lost.
Did this page help you?
George is the manager of a shoe shop.
He samples 50 of his customers and asks them about the one style of shoe they would buy next.
The table shows his results.
Style of shoe | Number of customers |
Laced shoes | 18 |
Boots | 15 |
Sandals | 8 |
Trainers | 5 |
Other | 4 |
George buys 1000 pairs of shoes with the number of each style based on his survey results.
How many pairs of sandals should he buy?
Write down any assumption you make about his sample.
Did this page help you?
Reece and Sarah share some money in the ratio 9 : 16.
Reece says that Sarah gets more than 60% of this money.
Show that Reece is correct.
Did this page help you?
Two bags each contain only red counters and yellow counters.
In Bag A, the ratio of red counters to yellow counters is 1 : 4.
In Bag B, Â of the counters are red.
 | Red counters | Yellow counters |
Bag A | Â | Â |
Bag B | Â | Â |
[3]
Did this page help you?
Colin works on 5 days each week.
Each day he drives from his home to work and from work to his home.
Colin pays £3.50 each day to use the car park at work.
The distance from Colin's home to work is 18 miles.
Colin's car uses one gallon of petrol every 45.2 miles.
   1 litre of petrol costs 136.9p
   1 gallon = 4.546 litres
Work out the total cost for Colin to use his car for work each week.
You must show all your working.
Did this page help you?
William is building a planetary path for people to walk along.
The planetary path will have a model of the Sun and models of the planets.
William uses two different scales.
He uses
   1 cm to 1000 km for the diameter of each planet
   1 m to 1 000 000km for the distance from the Sun to each planet
William makes a model of the planet Venus.
The model has a diameter of 12.1 cm.
William works out the distance from the model of the Sun to the model of the planet Neptune.
The real distance from the Sun to the planet Neptune is 4.503 x 109 km.
Did this page help you?
There are some red counters and some yellow counters in a bag in the ratio 1 : 5
There are 20 yellow counters in the bag.
Janet puts some more red counters into the bag.
The ratio of the number of red counters to the number of yellow counters is now 1 : 2
Did this page help you?
Frank, Mary and Seth shared some sweets in the ratio 4 : 5 : 7
Seth got 18 more sweets than Frank.
Work out the total number of sweets they shared.
Did this page help you?
There are some red counters and some yellow counters in a bag.
There are 30 yellow counters in the bag.
The ratio of the number of red counters to the number of yellow counters is 1 : 6
Riza puts some more red counters into the bag.
The ratio of the number of red counters to the number of yellow counters is now 1 : 2
Did this page help you?
The perimeter of a right-angled triangle is 72 cm.
The lengths of its sides are in the ratio 3 : 4 : 5
Work out the area of the triangle.
Did this page help you?
The surface gravity of a planet can be worked out using the formula
where
 kilograms is the mass of the planet
  metres is the radius of the planet
For the Earth and Jupiter here are the values of and .
Earth
|
 |
Jupiter
|
Work out the ratio of the surface gravity of Earth to the surface gravity of Jupiter.
Write your answer in the formÂ
Did this page help you?
Circle the correct statement.
Did this page help you?
Jeff and Kaz share £270 in the ratio Jeff : Kaz = 2.6 : 1
How much more than Kaz does Jeff get?
£ .......................................
Did this page help you?
The cost of a holiday is £2400
Rana pays a deposit followed by monthly payments, in the ratio
deposit : total of the monthly payments = 3 : 5 |
She makes 6 equal monthly payments.
Work out her monthly payment.
 £............................
Did this page help you?
Work out
cube root of 512 : reciprocal of 0.4
Give your answer in the form : 1
Did this page help you?
Here is a quadrilateral.
and
Show that
Did this page help you?
Use 8 km/h = 5 mph to write a formula for in terms of .
Did this page help you?
Purple paint is made by mixing red paint and blue paint in the ratio 5 : 2Â
Yan has 30 litres of red paint and 9 litres of blue paint.
What is the maximum amount of purple paint he can make?
.............................litresÂ
Did this page help you?
What is as a fraction of ?
Circle your answer.
Did this page help you?
Theo starts with savings of £18
James starts with no savings.
Each week from now,
   Theo will save £4.50 and James will save £4
In how many weeks will Theo and James have savings in the ratio 15 : 8 ?
Did this page help you?
Rana sells 192 cakes in the ratio    small : medium : large    =    7 : 6 : 11
The profit for one medium cake is twice the profit for one small cake.
The profit for one large cake is three times the profit for one small cake.
Her total profit is £532.48
Work out the profit for one small cake.
£.....................Â
Did this page help you?
Mariana sells bags of bird food.
The bags that Mariana sold last week each contained 12kg of seeds.
The bags that she is going to sell next week will each contain a mixture of nuts and seeds where for each bag
weight of nuts : weight of seeds = 4 : 5
The total weight of the nuts and the seeds in each bag will be 19.35 kg
The weight of seeds in each bag that Mariana sells next week will be less than the weight of seeds in each bag that Mariana sold last week.
Work out this decrease as a percentage of the weight of seeds in each bag that Mariana sold last week.
Give your answer correct to one decimal place.
....................................................... %Â
Did this page help you?
Andreas, Isla and Paulo share some money in the ratiosÂ
The total amount of money that Isla and Paulo receive is more than the amount of money that Andreas receives.
Andreas buys a video game for with some of his share of the money.
Work out how much money Andreas has left from his share of the money when he has bought the video game.
£................................................Â
Did this page help you?
Work out the difference between the largest share and the smallest share when 3450 yen is divided in the ratio 2 : 6 : 7
....................................................... yenÂ
Did this page help you?
Babajan makes breakfast cereal.
She mixes nuts, raisins and oats in the ratio 3 : 2 : 5 by weight.
On Monday, Babajan uses 60 grams of nuts.
Work out the weight of raisins and the weight of oats she uses to make the breakfast cereal.
On Tuesday, Babajan makes 300 grams of the breakfast cereal.
500 grams of nuts cost £8
Work out the cost of the nuts used to make 300 grams of the breakfast cereal.
Did this page help you?
Talil is going to make some concrete mix.
He needs to mix cement, sand and gravel in the ratio 1 : 3 : 5 by weight.
Talil wants to make 180 kg of concrete mix.
Talil has
15 kg of cement
85 kg of sand
100 kg of gravel
Does Talil have enough cement, sand and gravel to make the concrete mix?
Did this page help you?
Emma has a digital photo.
The photo has a width of 720 pixels.
The photo has a height of 540 pixels.
Write down the ratio of the width of the photo to the height of the photo.
Give your ratio in its simplest form.
Emma wants the ratio of the width of the photo to the height of the photo to be 3 : 2
She reduces the number of pixels in the height of the photo.
The width of the photo is still 720 pixels.
The ratio of the width of the photo to the new height of the photo is 3 : 2
Work out the new height of the photo.
Did this page help you?
A factory makes 450 pies every day.
The pies are chicken pies or steak pies.
Each day Milo takes a sample of 15 pies to check.
The proportion of the pies in his sample that are chicken is the same as the proportion of the pies made that day that are chicken.
On Monday Milo calculated that he needed exactly 4 chicken pies in his sample.
On Tuesday, the number of steak pies Milo needs in his sample is 6 correct to the nearest whole number.
Milo takes at random a pie from the 450 pies made on Tuesday.
Did this page help you?
Each day a company posts some small letters and some large letters.
The company posts all the letters by first class post.
The tables show information about the cost of sending a small letter by first class post and the cost of sending a large letter by first class post.
Small Letter
Weight | First Class Post |
0-100 g | 60p |
Large Letter
Weight | First Class Post |
0-100 g | £1.00 |
101-250 g | £1.50 |
251-500 g | £1.70 |
501-750 g | £2.50 |
One day the company wants to post 200 letters.
The ratio of the number of small letters to the number of large letters is 3 :2
70% of the large letters weigh 0—100 g.
The rest of the large letters weigh 101—250 g.
Work out the total cost of posting the 200 letters by first class post.
Did this page help you?
The ratio is equivalent toÂ
Show that Â
Did this page help you?
Juice is sold in small bottles and large bottles.
The volume of the large bottle is 1125 ml.
volume of small bottle : volume of large bottle = 2 : 5
A café has small glasses and large glasses.
volume of small glass : volume of large glass = 4 : 7
A small bottle fills 6 small glasses with no juice left over.
How many large glasses can be filled by a large bottle?
You must show your working.
Did this page help you?
Saj makes Rose Pink paint and Cherry Pink paint.
He mixes red paint with white paint as shown.
Rose Pink red : white = 1 : 2 |
 | Cherry Pink red : white = 4 : 3 |
He makes 60 litres of Rose Pink paint.
To this Rose Pink paint he adds
80 litres of red paint and 28 litres of white paint.
Has he now made Cherry Pink paint?
You must show your working.
Did this page help you?
Work out the ratio
Did this page help you?
Work out the value of .
Did this page help you?
At a party there are 90 people.
48 are women and 42 are men.
Some women leave.
Some men arrive.
The ratio of women to men is now   10 : 11
Are there now more than 90 people at the party?
Tick one box.
Yes        No         Cannot tell
Show working to support your answer.
Did this page help you?
During a game, players can win and lose counters.
At the start of the game
   Rob, Tim and Zak share the counters in the ratio 5 : 6 : 7
At the end of the game
   Rob, Tim and Zak share the same number of counters in the ratio 7 : 9 : 8
Show that Rob ends the game with more counters than he started with.
Did this page help you?
Here are two sets of numbers, A and B.
mean of Set A : mean of Set B = 3 : 8
Work out the value of
Did this page help you?
Hanif makes green paint by mixing blue paint and yellow paint in the ratio
blue : yellow = 7 : 3
He buys blue paint in 50-litre containers, each costing £225
He buys yellow paint in 20-litre containers, each costing £80
He wants to
sell the green paint in 5-litre tins
make 40% profit on each tin.
How much should he sell each tin for?
£.......................................
Did this page help you?
A sphere has radiusÂ
A cone has
  radiusÂ
   perpendicular heightÂ
The sphere and the cone have the same volume.
Work out    radius of cone : perpendicular height of cone
Give your answer in the form where and are integers.
Did this page help you?
Danil, Gabriel and Hadley share some money in the ratios 3 : 5 : 9
The difference between the amount of money that Gabriel receives and the amount of money that Hadley receives is 196 euros.
Work out the amount of money that Danil receives.
...................................................... eurosÂ
Did this page help you?
The prices of two phones are in the ratio x : y.
When the prices are both increased by £20, the ratio becomes 5 : 2.
When the prices are both reduced by £5, the ratio becomes 5 : 1.
Express the ratio x : y in its lowest terms.
Did this page help you?
The diagram shows a cylinder and a cone.
The cylinder has radius 2cm and height 9cm.
The cone has radius cm and height cm.
The ratio is 1 : 4.
The volume of the cone is equal to the volume of the cylinder.
Work out the value of .
[The volume of a cone with radius and height is ].
Did this page help you?