601 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
602 P5.WN.JM.17082973
Level 2
1 is a factor of 35 and 14. What is another factor of 35 and 14?
2 m
Common factors
603 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
604 P5.PA.JM.17083185
Level 3
The figure shown is a staircase made up of 1-cm cubes. What is the volume of the total number of cubes up to Step 20?
3 m
Sum of consecutive Volume of cube
605 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
606 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
607 P5.DE.JC.17083104
Level 1
A set of 5 invitation cards costs $0.85. How much will Lily have to pay if she buys 1000 cards?
2 m
D Multiplication W Multiplication & division Money Sets
608 P5.ST.JC.18121113
Level 2
Adam has 30 blue stickers and 70 red stickers.
After giving away the same number of stickers,
the ratio of the blue stickers and the red stickers becomes 1 : 3.
How many stickers are given away?
2 m
Ratio to units Unchanged difference Units table
609 P5.ST.JC.18121114
Level 2
Adam has 30 blue stickers and 120 red stickers.
After buying the same number of stickers,
the ratio of the blue stickers and the red stickers becomes 1 : 3.
How many stickers does he buy?
2 m
Ratio to units Unchanged difference Units table
610 P5.PA.JC.21030701
Level 3
Find the sum of 12 + 13 + 23 + 14 + 24 + 34 + 15 + 25 + 35 + 45 + . . . + . . . + 120 + 220 + . . . + . . . + . . . + 1920.
3 m
F Addition & subtraction Times sum of consecutive

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