Topic 6: Patterns and Sequence -Sample Activity

Daniel discovered that the number of customers buying from his shop doubles every week. As a sales promoter, he intends to give a free soda to whoever buys from his shop during the 6th, 8th and 12th week. He wants to purchase the sodas early enough but does not know how many of them he should buy for the promotion There were only 4 customers in the first week.

Task: Help Daniel to find how many sodas he needs to purchase for the promotion

Remember

A sequence generated by multiplying or dividing by a constant term is a geometric sequence.

A number machine is a way of writing rules using a flow diagram. It is a way of writing the rules we have generated above in form of flow diagrams.

Topic Summary

In this topic, you have learnt how to:

• recognise and generate number patterns
• explain how to generate a sequence
• describe a general rule when a pattern is given
• determine terms in a sequence