### Math Arena

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**New! 2019 Weekly Lessons (Jan-May): Semester 1 Class Schedule**

**Popular! 2018 Year End Holiday Program (Nov-Dec):
Class Schedule**

**2019 School Term Opening Hours (7 Jan onwards):**

**Mondays to Fridays 3:30 pm to 9:30 pm**

** Saturdays 9:30 am to 6:00 pm**

Closed on Sundays and Public Holidays

**2018 December Holiday Opening Hours (19 Nov to 21 Dec):**

**Mondays to Fridays 9:30 am to 5:30 pm**

** Closed on Saturdays and Sundays**

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Get: Poly Math Help**

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Blk 488B Tampines St 45 #B1-147 S521488

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Travel by MRT Tampines East (Downtown) Photo Guide

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### Archives

### Recent Posts

- 3 DAY Math & Science Workshop & Fun Challenge for Post-PSLE Students! November 9, 2018
- We are taking a Break… Email or WhatsApp instead! November 2, 2018
- Primary Math Olympiad Tips & Tricks Workshop (Nov 2018) October 31, 2018
- 2018 O Level Additional Maths Paper 2 Suggested Solutions October 31, 2018
- 2018 O Level Additional Maths Paper 1 Suggested Solutions October 27, 2018
- 2018 Year End Holiday Program – Don’t miss out on 12% E.B.D! October 19, 2018
- Head Start AY2019 this Year End Holidays! October 10, 2018
- Mentoring Available Next Week (15 to 18 Oct: PSLE Marking Days) October 9, 2018
- Mentoring Sessions Available in Term 3 & 4 July 17, 2018
- P6 Science Prelim Rev Up (Aug 10 & 17) and PSLE Science Final Sprint (Sep 29 & Oct 1) July 17, 2018
- P6 Maths Prelim Rev-Up & PSLE Final Maths Sprint 2018 July 12, 2018
- A Good Selection of PSLE Math Word Problems Revision Questions July 5, 2018

Questions from Tina Hang – Secondary 1 Maths Questions

Question 1: y is directly proportional to x2 and y = a for a particular value of x. Find an expression for y in terms of a, when this value of x is doubled.

Question 2: The braking distance of a vehicle is directly proportional to the square of its speed. When the speed of the vehicle is b m/s, its braking distance is d m. If the speed of the vehicle is increased by 200%, find the percentage increase in its braking distance.

Hi,

A)How do we explain fully the greenhouse effect?

B) The greenhouse is a “model” of the greenhouse effect. What does the greenhouse and plants inside represent?

Greenhouse- Atmosphere?

Plants – Greenhouse gas or earth surface?

Thanks.

The greenhouse effect is an effect that is caused by greenhouse gases.e.g.carbon dioxide,chlorofluorocarbons.these gases which are also known as greenhouse gases,trap heat from escaping into the atmosphere outside of Earth thus he heat remains on Earth.Thus Earth would be hotter and this may lead to global warming…hope this helps.you may also search online for greenhouse effect if this explanation doesn’t help….

Thank you, I have recently been looking for info approximately this subject for ages and yours

is the greatest I’ve came upon so far. However, what

concerning the conclusion? Are you sure about the supply?