Question:

Find the product of 5q and 9r.

1 m
Lina bought 5 plates and 8 bowls One plate is $3b each and 1 bowl is $2n each. How much did she pay for them?

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

2 m
PSLE

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

2 m
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.

Gary weighs x kg while Jim weighs 2y kg.

2 m
- 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.

- Simplify 16d + 9c - 9d - 2c.

- Subtract 11z + 9w + 8q from 19z + 13q + 25w.

A van travels 20 km in 5r minutes. How far will it travel in k hours?

3 m
Margaret bought c kg of mangoes at $k per kg and w kg of papaya at $y per kg.

3 m
- Find the amount she paid for the fruits in terms of c, k, w and y.
- If c = 8, k = 7, w = 5 and y = 4, how much change did Mrs Lim receive if she paid the fruit seller with a $100 note?

Tom has $a. Randy has $2m more than Tom. Wayne has $3n less than Randy.

3 m
- Find the amount of money Wayne has in terms of x, m and n.
- Find the total amount of money the three boys have in terms of x, m and n.
- If a= 20, m = 7 and n = 8, how much does Wayne have?

A rectangle has a length of 6p cm and a breadth of 4q cm. Find

4 m
- its area in terms of p and q,
- its perimeter in terms of p and q,
- the area of the rectangle if p = 2 and q = 3.