Level 3
1 triangle + 1 star = 10
1 star = 2
1 triangle = _____
2 m
Level 3
A = 2 rectangles
B = A + A
B = _____ rectangles
2 m
Level 3
A = 4 rectangles
B + 2 rectangles = A + A
B = _____ rectangles
3 m
Level 3
A = 4 rectangles
B + 2 rectangles = A + A + 3 rectangles
B = _____ rectangles
4 m
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
Level 2
A + B = 30
A + B + B = 50

  1. Find B.
  2. Find A.
4 m
Level 3
A + B = 50 - 20
A + B + B = 10 + 40

  1. Find B.
  2. Find A.
4 m
Level 2
4 triangles + 1 star = 100
1 star = 20
1 triangle = _____
4 m
Level 3
A = 20 rectangles
B = A + A
B = _____ rectangles
4 m
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
Level 3
A = 4 C
B - 2 C = A + A + 3 C
B = ? C
5 m
Level 3
A - 1 = 3
A + B = 5
B + C = A + 5

  1. Find A.
  2. Find B.
  3. Find C.
5 m
Level 2 PSLE
Figure 1 shows a rectangular tile with a perimeter of 28 cm. Figure 2 is formed using 5 such tiles. Find the perimeter of Figure 2.
2 m
Level 1 PSLE
Find the value of the following when w = 2.
  1. 15 + 3w
  2. w - 59
2 m
Level 1 PSLE
Find the value of each of the expressions when w = 5.
  1. 7w + 6
  2. 2w - w7
2 m
Level 1 PSLE
Find the value of 5a - 9 + 3a when a = 10.
2 m
Level 1
Jimmy and Kenny had $180 in all. Ken had $(12b + 6) more than Jim. How much did Jim have if b = 7?
2 m
Level 1 PSLE
Norman has a rope which is 60 cm long. He cuts it into three pieces. The lengths of the three pieces of rope are as shown. Find the value of k.
2 m
Level 1 PSLE
Abel, Ben and Cindy share $15z. Abel gets $z more than Ben and Cindy gets $2z more than Ben. If z = 7, how much money does Ben get?
2 m
Level 2
Gary weighs x kg while Jim weighs 20 kg.
  1. Find the average mass of each boy in terms of x .
  2. If x = 30, find the average mass of each boy.
2 m