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# Day 1 Breakout Sessions

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• 1. breakoutsession| mathematics problems from singapore schools yeap ban har | marshall cavendish institute yeapbanhar@gmail.com | www.banhar.blogspot.com westin westminster | colorado
• 2. Synopsis | What are the core competencies in a problem- solving classroom? What teacher actions facilitate the development of such competencies? Nanyang Primary School, Singapore
• 3. \$150 - \$24 = \$126 \$126  9 =  \$126 \$90 \$36 Each person paid \$14.
• 4. 2, 4, 6, 8, 10, 12, 14, 16,18, … 4, 8, 12, 16, 20, 24, … 5, 10, 15,20, 25, 30, … Method 1 Method 2 common multiples of 2, 4 and 5 Method 3 common multiples of 4 and 5 She has at least 20 sweets.
• 5. a b c d a a a b b b c c c d d d a + b + c + d = 15 cm The wire used is 15 cm x 4 = 90 cm.
• 6. 8Mario Nina
• 7. 8Mario Nina 3 3
• 8. 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
• 9. 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 350 – 10 x 3 = 20 50 – 15 x 3 = 5 1 + 2 + 3 + 4 = 10 1 + 2 + 3 + 4 + 5 = 15 1 + 2 + 3 + 4 + 5 + … + 100 = ?