Pearl City Hawaii Lower Grades 11 Aug

Professional Development for
Singapore Math (Lower Grades)
Yeap Ban Har
banhar@sg.marshallcavendish.com
Pearl City, Hawaii
11 August 2011
JalanBesar PCF Kindergarten, Singapore
Presentations are available at
www.banhar.blogspot.com

Singapore Math (Lower Grades)
Day 1 Session 1
Open Lesson Grade 1/2
Adding
CPA Approach

Manny has 5 cookies. Lasenehas 7 cookies.
Trisdynhas 6 cookies.

Nanakuli Elementary School, Hawaii, USA

Singapore Math (LowerGrades)
Day 1 Session 2
Counting
Differentiating for Thinking

“an excellent vehicle
for the development
and improvement
of a person’s
intellectual competence”
This is the rationale stated in Singapore Mathematics curriculum document.

Day 1 Session 3
Counting, Adding, Subtracting
CPA Approach

Earlybird Kindergarten Mathematics

JalanBesar PCF Kindergarten, Singapore

concrete
pictorial
abstract
The CPA Approach is one of the fundamentals of Singapore Math.

Day 1 Session 4
Focus on Thinking

Method 1
It does not matter what the second digit is.
If it is 0 : 60 – 6
If it is 1 : 61 – 7
which should be the same because 61 is 1 more than 60, and 7 is also 1 more than 6.
5
4

Method 2
Multiply the first digit by 9
Method 3
The first digit in the final answer is related to the first digit. Also the digits in the final answer sum up to 9.
Method 3
Multiply the first digit by 10 and then …

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Pearl City Hawaii Lower Grades 11 Aug

by Jimmy Keng on Aug 12, 2011

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Pearl City Hawaii Lower Grades 11 Aug — Presentation Transcript