4141 P5.ST.JC.18121121
Level 3
The ratio of the number of blue stickers to red stickers is 5 : 2.
After Adam buys another 10 blue stickers and 20 red stickers,
the ratio becomes of the number of blue stickers to red stickers is 7 : 6.
How many stickers does Adam have now?
3 m
Ratio to units All change Units table Units & parts Elimination
4142 P6.ST.JC.18121359
Level 2
3 A + 3 B = 15
5 A + 3 B = 21

Fill in the blanks.
  1. 2 A = _____
  2. 1 A =_____
  3. 1 B = _____
3 m
W 4 operations Units & parts Elimination
4143 P6.DE.TL.16010151
Level 3
One avocado cost 4 times as much as one honeydew. Mrs Zhang bought 2 avocados and 4 honeydews for $15. How much would 20 avocados and 16 honeydews cost? Express the answers to 2 decimal places.
3 m
D Place values D Round off Money Unit conversion Times as many Number x value Units method
4144 P6.AG.JC.17080453
Level 2
Lina had $20m. She bought 4 dresses and 9 skirts. Each dress cost $2m. 3 skirts cost as much as a dress. How much had Lina left?
3 m
Algebra in 1 variable Algebra simplifying Money
4145 P5.WN.JM.17082990
Level 2
Using the digits, form the largest odd and the smallest even 6-digit number. Find the difference between the 2 numbers.
0, 2, 3, 5, 8, 9
2 m
W Addition & subtraction Odd & even Min-max
4146 P6.VO.NK.17053039
Level 3
The figure shows an empty transparent tank made from three containers. The two containers A and B on top are in the form of cuboids which have square bases of side 6 cm and 4 cm as shown in the figure. The bottom container is in the form of a cube of side 14 cm. 3.42ℓ of water are poured into the empty vase. Find the height of the water level from the base of the vase. (1 litre = 1000 cm3)
3 m
Volume of cuboid Volume of cube Height of cuboid Filling tank Unit conversion
4147 P5.FR.JM.17083012
Level 2
John gave 18 of his salary to each of his two parents. He gave 13 of the remainder to his son. What fraction of his salary had he left?
2 m
Fraction of a whole F Multiplication Money Remainder concept Branching
4148 P6.AP.TL.17090757
Level 2
The figure is formed by a circle and an isosceles triangle where PQ = PR. The radius of the circle is 14 cm. Find the area of the shaded part. (Take π = 227)
2 m
Isosceles triangle Right-angled triangle Circle Semicircle Composite figure area Cut & paste
4149 P5.AN.JM.17083180
Level 2
Given the figure, find
  1. ∠x
  2. ∠y
2 m
Angles sum of triangle Alternate angles Interior angles
4150 P4.WN.JM.17102137
Level 2
List all the factors of 100 which are multiples of 4 in ascending order. (Eg 1, 2, 3)
2 m
Multiples Factors

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