Illustrative Mathematics
Illustrative Mathematics: Peyton and Presley Discuss Addition
The purpose of this task is to support students in developing an understanding of a place value strategy for adding numbers. By using a representation to visualize the abstract notation, students will make sense of the strategy, adding...
Illustrative Mathematics
Illustrative Mathematics: Roll & Build
The purpose of this task is to give students practice representing two-digit numbers with concrete objects to reinforce the meaning of the tens digit and the ones digit. Directions and materials needed are included in the lesson.