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Top Drawer Teachers: Multipliction by zero

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Top Drawer Teachers
The Australian Association of Mathematics Teachers (AAMT) Inc.
http://topdrawer.aamt.edu.au

Publié dans : Formation, Technologie, Business
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Top Drawer Teachers: Multipliction by zero

1. 1. Multiplying by zeroBeing able to generalise that‘multiplying any number by zerogives a product of zero’ helpsstudents apply this knowledge tosituations such as 3 × 6 × 0.Multiplying by zero
2. 2. 2 packets of 3 chocolates2 × 3 = 6Multiplying by zero
3. 3. 1 packet of 3 chocolates1 × 3 = 3Multiplying by zero
4. 4. No packets of 3 chocolatesJust 3 empty chocolate wrappers!0 × 3 = 0Multiplying by zero
5. 5. Real life storyI had 3 bags and I put zero lollies in each bag.How many lollies did I have?Zero lollies!3 × 0 = 0Multiplying by zero
6. 6. Real life storyI had 3 bags and I put zero lollies in each bag.How many lollies did I have?Zero lollies!3 × 0 = 0Multiplying by zero