**1. Word Problems:**

**I think of a number (n) ...**

The product of 2 numbers is 154. If the difference between the two numbers is 3, find the possible values of n

__Skill needed__:
> Form an equation (you will get a quadratic equation here)

> Reorganise the terms to LHS of the equation

> Factorisation

> Find possible values of n by solving linear equations.

(Source: Mathematics Workbook 2 (p37))

**Area of rectangle**

We also discussed, based on context, value of n must be larger than 3 (refer to the dimension given).

**2. Finding values of expression**

We discussed the following (and the strategy to solve such problem) in class:

1. 2013 S1 Maths Common Test Question 6

2.

3.

**3. Formulae**

In relation to the formula, Speed = Distance / Time

We spent some time to understand the difference between distance and displacement; speed and velocity.

*Reference: Handout Q1*

We also discussed the use of Heron's formula to find the area of a triangle when given 3 sides of a triangle.

*Reference: Handout Q4*

**4. Homework**

1. Complete the handout on Algebra - Formulae

- Four problems that require us to substitute before solving equations.

Deadline: 23 March 2017 (Thursday) - to be submitted in the Maths Tray on the Teachers' Table

2. 2013 S1 Maths Common Test Question Paper

- Attempt the paper for discussion on next Monday (next lesson), except last question

3. Bring along SASMO paper (equations) on Monday for discussion.

## No comments:

## Post a Comment

Note: only a member of this blog may post a comment.