These answers are possible by doubling the number of posters and adding 2 to find the number of tacks used. This rule can be used to find any poster in the sequence. 4- Student correctly continues the pattern in an organized manner and identifies a general rule for finding the 100th poster. 3- Student correctly identifies the pattern in an organized manner but identifies a rule that will not work in finding the nth term. Student can find the pattern for the sixth, seventh, and eighth poster and the rule doesn't fit the patterns sequence.
Student is unable to find a pattern or a rule.