Headline Story
Comparing Numbers, Temperatures, and Weights, #3
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Introduction
Display the Headline Story pictured in the sidebar to the class. Sometimes it helps to review what children do know and what they do not know. In this problem, they do know that Cindy has two quarters and that Jan has more money than Cindy does. They do not know what coins or how much Jan has. What amounts are possible? What amounts are impossible?
Headline Story
Cindy has two quarters. Jan has more money than Cindy.
Possible student responses
- Jan has to have at least 51¢.
- Jan might have $10 or maybe $100.
- The amount that Jan has cannot be a two-digit number with a tens digit of 4 or less.
- If Jan’s amount is larger than a two-digit number, then the tens digit can be 4 or less. For example, if Jan has $1, that is 100¢ and the tens digit is zero.
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