1. Give an example of a groupable (decomposable) base 10 material.
2. What are the advantages of a groupable (decomposable) base 10 material? (What does it do a particularly good job of teaching)
3. At what grade(s) should students be working with groupable/decomposable base 10 materials?
4. Are groupable/decomposable base 10 materials proportional materials? Why or why not?
5. Give an example of a pregrouped, proportional base 10 material.
6. What are the advantages of a pregrouped proportional base 10 material as compared to a groupable base 10 material?
7. What are the advantages of a pregrouped proportional base 10 material as compared to a non-proportional base 10 material?
8. At what grade(s) should students be working with pregrouped proportional base 10 materials?
9. How do base 10 blocks relate to Cuisenaire rods?
10. What does it mean to be a proportional material?
11. Give an example of a non-proportional base 10 material.
12. What are the advantages of non-proportional base 10 materials?
13. At what grade(s) should students be working with non-proportional base 10 materials?
14. Describe two activities for learning the base 10 structure of our number system using manipulatives.