ncon2011 brunei 25-26 april 2011 workshop

NCoN2011workshopDeveloping Mathematical Problem-Solving Ability in Primary Levels

Yeap Ban HarMarshall Cavendish InstituteSingaporebanhar@sg.marshallcavendish.com

www.banhar.blogspot.com

Pasar Gadong, Brunei Darussalam

The Curriculum (Ministry of Education 2006)

Singapore Mathematics: Focus on Thinking

excellentvehicleanforthe

development&improvement of

a person’s intellectual

competenciesMinistry of Education Singapore 2006

42

Step 1: Make 42

Step 2: Make 6

Step 3: Write the difference on the piece of square paper.

PROBLEM 1

First Digit

Second Digit

Hidden Number

2743

45, 9

24 6 18633627

Group A3

42

Step 1: Make 42

Step 2: Make 6

Step 3: Write the difference on the piece of square paper.

PROBLEM 1

First Digit

Second Digit

Hidden Number

4132

79, 8

47 11 369

2718

Group B3

PROBLEM 2

NCoN2011, Brunei Darussalam

PROBLEM 2Draw polygons on the grid paper such that the vertices are on the dots and the total number of dots on the perimeter of each polygon is four. Find the area of each polygon.

Number of Dots

Area(units2)

0123478

1234?8?

Group A3

Each polygon has an area of 1 unit2.Responses by Teachers in Brunei at Workshops at NCoN2011

We discussed how to find the area of this polygon.

In the end the group agreed that the area is 2 units2.

Responses by Teachers in Brunei at Workshops at NCoN2011

Responses by Teachers in Brunei at Workshops at NCoN2011

Responses by Teachers in Brunei at Workshops at NCoN2011

PROBLEM 2Draw polygons on the grid paper such that the vertices are on the dots and the total number of dots on the perimeter of each polygon is four. Find the area of each polygon.

Number of Dots

Area(units2)

012348

123459

Group B3

Responses by Teachers in Brunei at Workshops at NCoN2011

De Tweemaster, The Netherlands

PROBLEM 3

Responses by Teachers in Brunei at Workshops at NCoN2011

PROBLEM 3

Question: Is it possible to use problem solving for every lesson?Answer: Even in teaching a basic concept (i.e. the number five), a teacher used a problem-solving approach. Make a ‘toy’ using 5 cubes.

PCF KindergartenSingapore

Workshop Materials

Please tear the ten digit tiles out.