Headline Story
Number Lines and Time, #3
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Introduction
Share the Headline Story with the class. You might discuss what children do know and they do not know from reading the story. In this problem, they do know there are more than three but no more than 7 marbles. They do not know the exact number of marbles. What is possible? What is impossible?
Headline Story
I am holding some marbles in my hand. I have more than three marbles, but no more than seven.
Possible student responses
- I could have 4, 5, 6, or 7 marbles.
- I could not have 3 marbles because I have more than 3 marbles.
- I could not have 8 marbles because I have no more than 7 marbles.
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