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On Earth Day, class 7SP and 7L compete to see

which class can collect the most garbage.

Each student in Ms. Stephen-Patel's class pledges to

pick up 6 pieces of garbage.

  • How many pieces of garbage will be picked up when the number of students is 5? 15? 25?
  • What pattern do you see in the numbers of pieces of garbage?
  • Write a rule to find how many pieces of garbage will be picked up, when you know the number of students.
  • Find the number of pieces of garbage picked up by 35 students.

Relationships in Patterns

Terms

Mr. Lin's class pledges to pick up a total of 10 more pieces of garbage than Ms. Stephen-Patel's class.

10

9

8

7

6

5

4

3

2

1

Pattern rule: Start at 10. Add 10 each time.

This rule relates each term to the term that comes before it.

Term # : 1 2 3 4 5

Term: 10 20 30 ? ?

How does each term relate to the term number?

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