| title | ISBN-13 | year of publication |
|---|---|---|
| Lead21, Grade 1, Assessment Handbook | 978-0-07-656281-7 | 2011 |
| Lead21, Grade, 1, Quarterly benchmarks Assessments | 978-0-07-656488-0 | 2011 |
| Lead21, Grade, 2, Quarterly benchmarks Assessments | 978-0-07-656489-7 | 2011 |
| Lead21, Grade 2, Unit 2 of 8, Teacher's Lesson Guide | 978-0-07-656768-3 | 2011 |
| Lead21, Grade 4, Assessment Handbook | 978-0-07-656284-8 | 2011 |
| Lead21, Grade 4, Quarterly Benchmarks Assessments | 978-0-07-656491-0 | 2011 |
| Lead21, Grade 4, Unit 2 of 8, Teacher's Lesson Guide | 978-0-07-656776-8 | 2011 |
| Lead21, Grade 5, Assessment Handbook | 978-0-07-656285-5 | 2011 |
| Lead21, Grade 5, Quarterly Benchmarks Assessments | 978-0-07-656492-7 | 2011 |
| Lead21, Grade 5, Theme Reader | 978-0-07-656839-0 | 2011 |
| Lead21, Grade 5, Unit 2 of 8, Teacher's Lesson Guide | 978-0-07-656780-5 | 2011 |
| Lead 21, Teacher's Lesson Guide, Grade 1 Unit 2 On the Move | 978-0-07-656764-5 | 2011 |
| Pre-transition mathematics ~ The university of Chicago school mathematics project | 978-0-07-618939-7 | 2009 |
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