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# Seminar for Parents at PLMGS on PSLE

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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.

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.

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### Transcript

• 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.
• 2.
• 3.
• 4.
• 5.
• 6.
• 7.
• 8.
• 9. Model Method
3 units = \$12
1 unit = \$4
8 units = 8 x \$4 = \$32
Alternate Method
\$12 ÷ 3 x 8 = \$32
• 10.
• 11.
• 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
• 20.
• 21.
• 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.