## Wednesday, September 21, 2011

### Linear Equation Heuristics

Problem Solving Heuristics
4-step process according to Polya
Step 1: understanding problem
Step 2: Devising a Plan
Step 3: Carrying out the Plan
Step 4: Looking Back

Individually review the various problem solving strategies on the and
(1) identify a problem solving strategies eg. guess and check
(2) provide an example on how to use this strategy
resource:
refer to the videos in the link
ACE learning
any reliable sites on problem solving Heuristics

working in pairs, solve the following problems and post your solution as a new entry. you may write on a piece of paper and upload as a picture. The following students have been identified as ics of the respective questions.
Find a buddy and together solve and post the solution as a new posting.

Classwork
Q1 Kevin
Q2 Jovan
Q3 Kuang Seng
Q4 Ryan Chew
Q5 Rui Zhi
Q6 Malcolm
Q7 Ruo Song
Challenge Yourself
Q1 Sherman
Q2 Denzel
Q3 Issac
Q4 Shawn Liew

Sample problem and solution
Example 3

#### 1 comment:

1. Q5)
x=sum of money
\$1.60*n+\$0.80=x
\$0.70x(n+10)+\$0.10=x
n=?
x=\$7+\$0.10+\$0.7n
x=\$1.6n+\$0.80
1.6n-0.7n=0.9n
7.10-0.80=6.30
0.9n=6.30
n=7
(i)Mrs Tan bought 7 mangoes.
7x\$1.60+\$0.80=\$12