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Sheet # 9 Critical Thinking

Name: _____________________ Date_____________

Show and explain your work. Draw pictures or make tables to explain your answer.

When Su hangs out the clothes, sometimes she does not have enough clothespins. So instead of putting two clothespins on each item of clothing, she shares a clothespin between two items. She uses 3 clothespins between two items. How many clothespins does she need to hang 10 items? Write a number sentence for n items of clothing.

Answers for sheet # 9

11 clothespins

# of clothespins for n item = n + 1