1) Square paper tiles of side 2cm are cut from a rectangular piece of paper 9cm by 4cm. What is the maximum number of tiles one can get?

2) 3 oranges and 2 mangoes cost as much as 9 oranges and 1 mango. If each mango costs $1.50, find the cost of 1 orange.

3) Jack and I have $150 altogether. If Mother gives me another $30. I will have twice as much as Jack. How much money have I at first?

4) Joe went to a party and met 3 friends. If the four of them shook hands with one another once, how many handshakes were made?

5) Find the sum of 1+3+5+ … +95+97+99

***** Solutions (Updated on 3 June 07) *****

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1) draw diagram… or jus count e no. of tiles tt can b fit nicely @ each side den multiple.

2) tis 1 hor… can use diagram oso… or model…

3) model….

4) draw diagram…

5) tis qns gt formula… bt i forget e formula liao… ðŸ˜›

Questions are too easy, cannot answer.

strongstrong, wait till your son tell you this when he can’t do his maths problem. you are not far from that..hehe

1)9/2

=4r1

4/2

=2

4*2

=8

2)1 mango=6oranges

1 orange=1/6*1.50

=$0.25

3)3units=$150+$30

=$180

(after)me=2/3*$180

=$120

(b4)me=$120-$30

=$90

4)4ppl=1+2+3

=6times

5)1-100=5050

1-99=5050-100

=4950

Solutions updated liao.

Bibo, u got 3 correct.