Olympiad Math — Sprint Style Questions

10 Jan


  1. List the 17th multiple of 8.
  2. Find the first 2 common multiples of the 7 and 11.
  3. Find the HCF of 168 and 236.
  4. Find the least number which should be added to 2497 so that the sum is exactly divisible by 3, 4, 5 and 6.
  5. When freshly plucked from a tree, 80% of a pear consists of water. After being exposed to the sun for an hour, 25% of the water had evaporated. What percentage of the pear consists of water now?
  6. The tickets for a dinner show were sold at $150 each. When the ticket price was reduced, the number of customers tripled and the total earnings doubled. By how much was the ticket price reduced?
  7. In an amusement park, adults and children were charged $13 and $6.50 respectively for a ride. A total of $3022.50 was collected from fewer than 400 of them. What was the smallest possible number of adults who took the ride?
  8. The number sequence is as follows:

    18, 21, 16, 23, 14, 25……

    Find the next 4 number in the sequence.

  9. At the end of the Olympics, all 20 sportsmen each representing a different country, shook hands with each of the other 19 sportsmen. How many handshakes were there?
  10. If the difference between 100x + 10y + z and 10z + y is 10x + z, what digits do x, y and z stand for?


1. Write your answers in the comments section (1 entry per student). Ensure your name and answers are clear.

2. Star tokens will be awarded to the first three current Math Arena students who got all 10 answers correct (answers will only be disclosed by then). Our teacher’s decision is final.

3. Calculator of any model is not allowed. Submit your working steps on a piece of paper to a teacher separately.


PSLE Math : Challenging P6 Speed Question (3 Persons Travelling from Pt A to Pt B)

10 Jan

Area and Perimeter (Primary 6 Math)

7 Jan

Real Numbers And Estimation (IP Math)

3 Jan

3 DAY Math & Science Workshop & Fun Challenge for Post-PSLE Students!

9 Nov

SEC 1 MATH & SCIENCE Workshop & Fun Challenge 2018


for Math Arena Students… JOIN US!


14 to 16 November (Wed to Fri)

5:30 PM to 8:00 PM on 14 & 15 Nov

4:30 PM to 7:30 PM on 16 Nov


P6 Students


Math Arena — Blk 488B Tampines St 45 #B1-147 S521488

WHY JOIN?       

The MATH WORKSHOP aims to familiarize students with some concepts in Number Theory, as well as Algebra. Have fun comparing new methods learned with those used to solve PSLE word problems. Practice makes perfect!

The SCIENCE WORKSHOP aims to enrich students with scientific knowledge gained from observations and experiments. Students can pick up basic experimental techniques that will be applicable in the school’s science laboratory. Safety first!

So relax… and enjoy learning!

Light refreshments will be provided on all 3 days.



Send a text to us via WhatsApp (8121 6628) or email to admin@matharena.com.sg to show your interest.

Have a friend who wants to join? Let us know too! (Limited to the first 15 students only.)

Submit 20 stars or S$2 to register on the 1st day (14 Nov).

This will be refunded to Math Arena pupils only. Registration fee for students who are new to Math Arena is S$2.


Program Schedule:

Day 1: 14 Nov Wed

5:30 pm to 6:45pm      Math Workshop Part I

15 min   (Break Time)

7:00 pm to 8:00 pm     Science Workshop Part I

Day 2: 15 Nov Thu

5:30 pm to 6:45pm      Math Workshop Part II

15 min   (Break Time)

7:00 pm to 8:00 pm     Science Workshop Part II

Day 3: 16 Nov Fri  —  Earn Stars through Challenges!

4:30 pm to 5:15 pm     Math Quiz

5:15 pm to 5:45 pm     Science Quiz

15 min   (Break Time)

6:00 pm to 7:00 pm     Telematch & Fun Games… MORE STARS!

7:00 pm to 7:30 pm     PRIZE REDEMPTION

We are taking a Break… Email or WhatsApp instead!

2 Nov

Our centre will be closed from 3 Nov to 11 Nov 2018

so that all our trainers, as well as our students who have achieved fantastic results, can take their well-deserved breaks. Good luck to those who are still waiting for their results, may the odds be ever in your favour. 🙂

We will still do our best to answer your emails and WhatsApp texts and reply you.

  1. WhatsApp to our mobile line 8121 6628  OR

  2. Send an email to admin@matharena.com.sg

Our Opening Hours

Nov 12 to 16 – Monday to Friday from 2 pm to 8 pm

School Holidays 2018:  Nov 19 to Dec 21 – Mondays to Fridays from 9:30 am to 5:30 pm 

Our premises will be opened from 9:15 a.m. onwards(Closed on Saturdays and Sundays, from Christmas Eve till 2 Jan 2019)


Check out our Year End Holiday Program: Head Start for AY2019Click Here for the lesson schedule.

Our AY2019 Semester 1 weekly classes are also opened for registration! Click Here to view the latest weekly class schedule (starts on 7 Jan 2019). Be sure to take advantage of the 12% Early Bird Discount!

Primary Math Olympiad Tips & Tricks Workshop (Nov 2018)

31 Oct

Register Early… Limited Seats!


Fri, 16 Nov –   2:30 PM to 4:30 PM

For current P4 Students

(Content’s standard is pitched at P4 level. Current P3 students who want to challenge themselves are welcomed to join as well.)

@Math Arena    Blk 488B Tampines St 45 #B1-147 S521488






WHY JOIN?        

This Tips & Tricks Workshop aims to provide comprehensive and creative methods for students to tackle problems in math competitions, particularly the National Mathematical Olympiad of Singapore (NMOS) organized by NUS High School of Math & Science. This workshop will also emphasize a few techniques to simplify relatively complicated problems, as well as contrasting alternate methods to certain questions that will be helpful in building a proper foundation.

A fun quiz will be included to see how much students have learned!


Transfer registration fee of $20* to us via online internet banking (or at ATM).

Details: DBS Current 054 – 902463 – 5

Send a text to us via WhatsApp (8121 6628) or email to admin@matharena.com.sg to notify us.

Your registration will be confirmed through e-receipt (your email address is required).

Have a friend who wants to join? Let us know too!


2018 Year End Holiday Program (Class Schedule)

2019 Semester 1 Class Schedule

Updated since 2018, Nov 4.