1 P1.ST.JC.18120622
Level 3
1 triangle + 1 star = 10
1 star = 2
1 triangle = _____
2 m
W Addition & subtraction Units & parts Substitution
2 P1.ST.JC.18120623
Level 3
A = 2 rectangles
B = A + A
B = _____ rectangles
2 m
W Addition & subtraction Units & parts & boxes Substitution
3 P1.ST.JC.18120624
Level 3
A = 4 rectangles
B + 2 rectangles = A + A
B = _____ rectangles
3 m
W Addition & subtraction Units & parts & boxes Substitution
4 P1.ST.JC.18120625
Level 3
A = 4 rectangles
B + 2 rectangles = A + A + 3 rectangles
B = _____ rectangles
4 m
W Addition & subtraction Units & parts & boxes Substitution
5 P6.PC.JC.22031501
Level 2 PSLE
A box contained black balls and green balls. 40% of the balls were green. After some red balls were added to the box, 28% of the balls were green. What percentage of the balls in the box were red?
2 m
Percent of a set Percent to units Percent of different base Unchanged quantity Units table Units & parts Substitution
6 P2.ST.JC.18120758
Level 2
A + B = 30
A + B + B = 50

  1. Find B.
  2. Find A.
4 m
W Addition & subtraction Repeated identity Units & parts Substitution
7 P2.ST.JC.18120759
Level 3
A + B = 50 - 20
A + B + B = 10 + 40

  1. Find B.
  2. Find A.
4 m
W Addition & subtraction Repeated identity Units & parts Substitution
8 P2.ST.JC.18120761
Level 2
4 triangles + 1 star = 100
1 star = 20
1 triangle = _____
4 m
W 4 operations Units & parts Substitution
9 P2.ST.JC.18120762
Level 3
A = 20 rectangles
B = A + A
B = _____ rectangles
4 m
W Addition & subtraction Units & parts & boxes Substitution
10 P2.ST.JC.18120763
Level 3
A + 1 rectangle = 3 rectangles
A + B = 5 rectangles
B + C = A + 5 rectangles

  1. A = _____ rectangles
  2. B = _____ rectangles
  3. C = _____ rectangles
5 m
W Addition & subtraction Units & parts & boxes Substitution

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