The Level C print Student Workbook​ provides activities from basic to higher-order thinking skills to coordinate with instruction.

The Number Worlds, Level C (Grade 1) Teacher Edition provides lesson plans, Project Based Learning activities , and purposeful activities to help students develop conceptual understanding and computational fluency as they actively apply concepts.​ The TE also includes a differentiated learning guide.

This English edition package of 5 printed student workbooks contains daily practice opportunities for students at both basic and higher-order thinking levels on the topic of "Number Sense."

This English edition package of 5 printed student workbooks contains daily practice opportunities for students at both basic and higher-order thinking levels on the topic of "Number Sense."

This English edition package of 5 printed student workbooks contains daily practice opportunities for students at both basic and higher-order thinking levels on the topic of "Number Sense."