Question:

Level 1

Find the value of 5a - 9b^{2} + 3c when a = 10, b = 2 and c = 12.

2 m
Find the value of 5a - 9b

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 2

Gary weighs x kg while Jim weighs 2y kg.

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

- Find the average mass of each boy in terms of x and y.
- If x = 47 and y = 19, find the average mass of each boy.

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 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?

Level 2

The area of each face of the cube in the figure is b^{2} cm^{2}.

The area of each face of the cube in the figure is b

- Find the volume of the cube in terms of b.
- If b
^{2}= 36, find the volume of the cube.

2 m

Level 2 PSLE

Use the table given to answer questions (a) and (b).

Use the table given to answer questions (a) and (b).

- What was the total number of muffins sold last week?
- Express your answer in terms of w in the simplest form. If w = 20, how many more muffins were sold on Sunday than on Saturday?

2 m

Level 2

Tom has a mass of 8r kg. John is 4 kg heavier than Tom. The mass of May is twice the total mass of the Tom and John.

2 m
Tom has a mass of 8r kg. John is 4 kg heavier than Tom. The mass of May is twice the total mass of the Tom and John.

- Find the total mass of the 3 children in terms of r.
- If r = 2, find the average mass of the 3 children.

Level 2 PSLE

Andy had 1.4 m of wire. He used some of it to make the figure as shown.

Andy had 1.4 m of wire. He used some of it to make the figure as shown.

- How much of the wire did Andy use to make the figure? Leave your answer in the simplest form in terms of x.
- If x = 15, how much of the wire was not used to make the figure? Leave your answer in metres.

2 m

Level 2

James bought 4k crates of oranges. Each crate has 20 oranges. He gave away 55 oranges to his neighbour.

2 m
James bought 4k crates of oranges. Each crate has 20 oranges. He gave away 55 oranges to his neighbour.

- How many oranges had he left?
- If he sold the rest at 40¢ each and k = 8, how much money did he receive from the oranges sold? Give your answer in dollars.