Headline Story
Modeling Addition and Subtraction, #5
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Introduction
Read the Headline Story to the students. Encourage them to think about what can be concluded from the information in the story.
Headline Story
An office building has 121 steps. There are 11 steps between each floor.
Possible student responses
- There are 11 steps between the first floor and the second floor, so there are 22 steps between the first floor and the third floor and 33 steps between the first floor and the fourth floor.
- There are 11 flights of stairs.
- There are 12 floors in the building, including the first, or ground, floor.
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