Monday, June 22, 2009

June Holiday Math Quiz - Week 4 Day 5

Q20) Sara paid $49 for 5 similar tables and 3 similar chairs.
She paid $22 less for 3 such tables and 1 such chair.
How much did 20 such chairs cost?

June Holiday Math Quiz - Week 4 Day 4

Q19) Alex asked his grandfather about his age.

His grandfather replied,

“You may add my age to 52 then divide the sum by 3.
You then subtract 15 from the quotient.
Lastly, you multiply the difference by 5, the results will be 125.”

Please help Alex to unscramble this Mathematical puzzle in order to find his grandfather’s age.

June Holiday Math Quiz - Week 4 Day 3

Q18) A dice of 6 faces is numbered 1, 2, 3, 4, 5 and 6.
In how many ways will the sum be an even number if the dice is thrown twice?

June Holiday Math Quiz - Week 4 Day 2

Q17) Five suspects are called into police headquarters for questioning.

They give the following statements.

A: One of the five of us is lying.
B: Two of the five of us are lying.
C: I know these guys, and three of the five of us are lying.
D: Don’t listen to a word they say. Out of the five of us, four are lying.
E: All five of us are dirty rotten liars.

The police only want to release the suspects who are telling the truth.

Who should they let go?

June Holiday Math Quiz - Week 4 Day 1

Q16) How many times does the digit “0” appear
in a book that is 100 pages thick?

Tuesday, June 16, 2009

June Holiday Math Quiz - Week 3 Day 5

Q15) Joanne is 10 years old.
One day, she asked her father about his age.
“When you reach my age, I will be 56 years old,” replied his father.
How old is Joanne's father?

June Holiday Math Quiz - Week 3 Day 4

Q14) Mary and Susan had $60 altogether.
If Mary gave Susan $12 and Susan gave Mary $10,
Mary would have three times as much money as Susan.
How much money did Mary have at first?

June Holiday Math Quiz - Week 3 Day 3

Q13) The places of birth of Cindy, Peter and Ali
are Singapore, Malaysia and China, but not in that order.

Cindy has never been to Singapore.
Peter was not born in Singapore.
Peter was not born in China.

Can you find out their places of birth?

June Holiday Math Quiz - Week 3 Day 2

Q12) On Monday, half of the total number of books were loaned out.
Another 87 books were loaned out the next day.
There were only 43 books left in the library.
How many books were there in the library at first?

June Holiday Math Quiz - Week 3 Day 1

Q11) A number is added to 6.
The sum is then multiplied by 6.
6 is again subtracted from the product.
When the difference is divided by 6, the result is still 6.
What is the number?

Friday, June 12, 2009

June Holiday Math Quiz - Week 2 Day 5

Q10) There are 16 rows of seats in a school hall.
There are 75 seats in the last row.
If there is an increase of 3 seats, starting from the first row,
how many seats are there in the first row?

June Holiday Math Quiz - Week 2 Day 4

9) There are some red beads in box A and some green beads in box B.
The total number of beads in both boxes is 55.
When half of the beads in box A are transferred to box B,
the number of beads in box B becomes 4 times as many as those in box A.
Find the number of green beads.

Wednesday, June 10, 2009

June Holiday Math Quiz - Week 2 Day 3

8) Mr Tan bought a box of marbles.
He put half of the marbles equally into 6 cans
and the other half equally into 9 jars.
There were 72 marbles in 2 cans and 3 jars altogether.
How many marbles did he buy?

Wednesday, June 3, 2009

June Holiday Math Quiz - Week 2 Day 2

Q7) In a car park, there are 72 cars and motorcycles.
Altogether, 256 wheels are counted.
How many cars are there in the car park?

June Holiday Math Quiz - Week 2 Day 1

Q6) The sum of two numbers is 100.
The difference between the two numbers is 44.
What is the bigger number?

June Holiday Math Quiz - Week 1 Day 5

Q5) When I buy some pens at $4 each, I have $3 left.
When I buy some pens at $5 each with the same amount of money,
I have no money left.
If I have less than $30, how much money do I have?

June Holiday Math Quiz - Week 1 Day 4

Q4) Nancy is 12 years older than Jack.
5 years ago, the sum of their ages was 44 years old.
How old is Jack now?

June Holiday Math Quiz - Week 1 Day 3

Q3) When a number is divided by 4, the remainder is 2.
When the same number is divided by 5, the remainder is 3.
If the number is less than 21, find the number.

Good luck in solving the above! :)

Tuesday, June 2, 2009

June Holiday Math Quiz - Week 1 Day 2

Q2) John bought 4 identical plates and 4 identical bowls for $330.
The price of 2 such plates was the same as the price of 3 such bowls.
What is the price of 5 such bowls?

Enjoy! :)

Monday, June 1, 2009

June Holiday Math Quiz - Week 1 Day 1

Holiday Homework

Dear all,

As per communicated in class, all of you will come to the this blog to work on your holiday homework for Mathematics.

I will post up daily challenges everyday from Monday to Friday.

Hence, there will be 5 questions in each week.

All of you will only submit the 5 answers once per week
from Friday to Sunday via sms to my handphone.

For those who have problems sms'ing me, please email to me.

The format is as below:

Example of what you must provide in your sms to me.

Math Quiz Week 1

Ans 1)
Ans 2)
Ans 3)

Ans 4)
Ans 5)

Peter Lim (P3/2 or P4/1)

Upon the start of Term 3, please submit all workings for all the daily challenges as evidence to your work to prevent pupils from copying answers from one another.

Enjoy your holidays! :)




Q1) David wrote a 4-digit number on a piece of paper and challenged Peter to guess it.

All the digits were different.

Peter : Is it 4693?
David : Two of the numbers are correct but they are positioned wrongly.
Peter : Could it be 1208?
David : My answer is the same of before.
Peter : How about 7925?
David : Wow! Two of the numbers are correct and in the right place as well.
Peter : 4681?
David : None of the digits is correct.

What was the number?

P3/2 ICT Enrichment Class

Dear all,

Please be reminded of the abovementioned in the June holiday.

Date: 23 June 2009
Time: 9am - 11am
Venue: Computer Lab 1