Question:

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
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?

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.

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.

2 m
Find the value of the following when w = 2.

- 15 + 3w
- w -
^{5}_{9}

Level 1 PSLE

Find the value of each of the expressions when w = 5.

2 m
Find the value of each of the expressions when w = 5.

- 7w + 6
- 2w -
^{w}_{7}

Level 1 PSLE

Find the value of 5a - 9 + 3a when a = 10.

2 m
Find the value of 5a - 9 + 3a when a = 10.

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
Jimmy and Kenny had $180 in all. Ken had $(12b + 6) more than Jim. How much did Jim have if b = 7?

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.

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
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?

Level 2

Gary weighs x kg while Jim weighs 20 kg.

2 m
Gary weighs x kg while Jim weighs 20 kg.

- Find the average mass of each boy in terms of x .
- If x = 30, find the average mass of each boy.

Level 2 PSLE

Cindy is y years old. Sarah is three times as old as Cindy and Sarah is 5 years older than Jim.

2 m
Cindy is y years old. Sarah is three times as old as Cindy and Sarah is 5 years older than Jim.

- What is Jim's age in terms of y in years?
- If Cindy is 13 years old, how many years older is Jim than Cindy in years?