More Related Content More from Jimmy Keng (20) Plenary Lecture 610. 4 eighteenths
1 fourth 8 9
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36 36
Primary School Leaving Examination
Singapore Examination and Assessment Board
11. St Edward’s School, Florida
Initial
Concrete
Experience
Subsequent
Pictorial
Representation
My Pals Are Here! Maths (Second Edition)
Eventual
Symbolic
Representation
12. My Pals Are Here! Maths (Second Edition)
Eventual
Symbolic
Representation
14. St Edward’s School, Florida
Grade 2
concrete pictorial abstract
Primary Mathematics (U.S. Edition)
16. It does not
FRAC
show half. What
does it show
then?
TION
opportunities for
differentiation
It does not show
fourth. What does
it show then?
Primary Mathematics (U.S. Edition)
19. The more advanced learners get to
learn skills that they are not yet good
at e.g. articulation of ideas.
Globe Academy, London
20. Review
Solve 3x = 12 Guided Practice
2x + 1 = 9
Main Task 4x – 1 = 15
Solve 3x + 1 = 16 3x – 2 = 8
2x – 5 = 11
Extension
3x – 1 = 10
3x – 2 = 8
Globe Academy, London
22. 12 + 34 = 46
What do you notice?
26. Nury 3450
Sue 1286
2164
3450 – 1286 = 2164 ?? Check
Reedley International School, Manila
29. Susan says that 12 + 3 is the same as 3+ 12
Is she right?
Why? You can write or draw to show me.
Ministry of Education, Singapore
38. 4770
-3250
1520
Student C
Reedley International School, Manila
1520
+3250
Student D 4770
41. Lesson 2 June 18, 2012
Jack $3
Jack
Kyla $2
Kyla
gave
more
had
than
43. Lesson 2 June 18, 2012
Open Lesson at Hawaii, USA