Lesson 20 Subtract 7, 8, and 9 from teen numbers
Topic B : Counting On or Taking from Ten to Solve Result Unknown and Total Unknown Problems
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| Format: | Text |
| Language: | English |
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Great Minds
2015
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| Subjects: | |
| Online Access: | https://dsstorage-hbmsu.com/handle/123456789/1950 |
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| Summary: | Topic B : Counting On or Taking from Ten to Solve Result Unknown and Total Unknown Problems |
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