31 P5.ST.JC.18121104
Level 3
A special tea is a mixture of three kinds of tea leaves A, B and C in the ratio 5 : 3 : 2.
1 kg of each kind of tea leaves costs $4, $20 and $10 respectively.
What is the cost of 15 kg of this special tea?
3 m
Ratio to units Sets Units method
32 P5.ST.JC.18121105
Level 1
Adam has blue and red stickers in the ratio of 5 : 2.
He has 30 more blue stickers than red stickers.
  1. How many stickers does Adam have?
  2. If Adam gives away 10 blue stickers, what is the new ratio of the number of blue stickers to blue stickers?
3 m
Finding ratio R Simplest form Ratio to units More than or less than Unchanged quantity Units method
33 P5.ST.JC.18121106
Level 2
Adam and Bryan have some stickers in the ratio of 3 : 2.
When Adam gives away 40 stickers,
the ratio of the stickers becomes 1 : 3.
  1. How many stickers do they have at first?
  2. How many stickers do they have in the end?
3 m
Ratio to units Unchanged quantity Units table
34 P5.ST.JC.18121107
Level 2
Adam and Bryan have some stickers in the ratio of 1 : 3.
When Adam buys another 40 stickers,
the ratio of the stickers becomes 3 : 2.
  1. How many stickers do they have at first?
  2. How many stickers do they have in the end?
3 m
Ratio to units Unchanged quantity Units table
35 P5.ST.JC.18121108
Level 2
Adam has blue and red stickers in the ratio of 1 : 2.
When 40 red stickers are replaced with the same number of blue stickers,
the ratio of the number of blue and red stickers will be 3 : 4
How many stickers are there altogether?
3 m
Ratio to units Unchanged total Units table
36 P5.ST.JC.18121110
Level 2
Adam and Bryan have some stickers in the ratio of 1 : 2.
When Bryan gives Adam 40 stickers, the ratio of the stickers becomes 3 : 4.
How many stickers do they have all the end?
3 m
Ratio to units Internal transfer Unchanged total Units table
37 P5.ST.JC.18121109
Level 3
Adam, Bryan and Chris have some stickers in the ratio of 10 : 3 : 5.
Adam gives Bryan and Chris a total of 40 stickers.
Now they have same number of stickers.
  1. What is the total number of stickers that they have?
  2. What is the number of stickers that Adam gives to Bryan?
  3. What is the number of stickers that Adam gives to Chris?
3 m
Ratio to units Equal stage after Internal transfer Unchanged total Units table
38 P5.ST.JC.18121111
Level 2
Adam is 20 years old.
The total age of Adam and Bryan is 80 years.
How many years ago was the ratio of Adam's age to Bryan's age 1 : 5?
2 m
Ratio to units Unchanged difference Units table
39 P5.RA.NK.23021713
Level 2
There are 264 passengers on board a ship. The ratio of children and adults is 4 : 9. There are 18 more men than women. How many men are there on the ship?
3 m
Ratio to units More than or less than Combined repeated identity Units table Units & parts Substitution
40 P5.ST.JC.18121112
Level 2
Adam is 10 years old. The total age of Adam and Bryan is 50 years. How many years' time will the ratio of Adam's age to Bryan's age be 1 : 3?
2 m
Ratio to units Unchanged difference Units table

5 per page

10 per page

20 per page

Symbols

x2
x3
₵
$
⊥
//
∠
°
π
%
:
\[ \]
STUDENT
Navigations
Contact Us
Members
Links