This seminar was for parents of primary six students in a all-girls' school in Singapore. PSLE is the national examination in Singapore taken at the end of Grade 6.

1. PSLE Mathematics DrYeap Ban Har Marshall Cavendish Institute Singapore www.banhar.com Photo Credit: Students solving a mathematics problem using draw-a-diagram heuristic at Da Qiao Primary School.

9. Model Method 3 units = $12 1 unit = $4 8 units = 8 x $4 = $32 Kyla had $32 at first. Alternate Method $12 ÷ 3 x 8 = $32

12. boys 34 girls

13. boys 68 girls

14. boys 88 – 68 = 20 girls

15. boys 88 – 68 = 20 girls

16. boys girls

17. boys girls

18. boys 2 girls units = 14 34 1 girls unit = 7 girls 3 girls units = 21 21 girls wore goggles that day. 34 – 20

19. PSLE 2006 – 2010 Page 13 Question 45

22. Photo: Woodlands Primary School

23. PSLE 2006 – 2010 Page 13 Question 46 1.2 m x 42 = 50.4 m 43 – 6 = 37 There were 36 spacing 50.4 m ÷ 36 = 1.4 m The new spacing was 1.4 m.

24. PSLE 2006 – 2010 Page 19 Question 58 Guess when each tried taking 11 33 Last girl had 11 sweets 41 Last girl had 8 sweets 49 Last girl had 5 sweets 57 Last girl had 2 sweets

25. PSLE 2006 – 2010 Page 19 Question 58 List 1 List 2 11 + 6 22 + 6 33 + 6 44 + 6 55 + 6 66 + 6 16 + 25 24 + 25 32 + 25 40 + 25 48 + 25 56 + 2

26. PSLE 2006 – 2010 Page 19 Question 58 List 1 List 2 11 + 6 22 + 6 33 + 6 44 + 6 55 + 6 66 + 6 77 + 6 88 + 6 99 + 6 16 + 25 24 + 25 32 + 25 40 + 25 48 + 25 56 + 25 64 + 25 72 + 25 80 + 25

27. PSLE 2006 – 2010 Page 19 Question 58 3 x ? = 2 + 25 ? = 9 There were 10 girls. There were 9 x 11 + 6 = 8 x 10 + 25 = 105 sweets altogether.