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Beginning with a word problem that poses the question of making groups of 10 pennies to translate into a single dime, pupils are challenged to make sense of the amount of dollars 33 cents is in expanded form.
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Concepts
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Instructional Ideas
- Use as a way to introduce representing decimals in expanded form
- Assign the link to Google Classroom or through the CK-12 website in order to keep track of individual progress
Classroom Considerations
- Provide notebook paper for class members to write and work out their problems
- Ensure all class members have a free CK-12 account to access the interactive
Pros
- Allows users to manipulate the groups of pennies as they work to solve each problem
- The last question promotes discussion if completing the interactive in a whole group setting
Cons
- None