The Upper Grades Standards Edition Unit 2 (Addition & Subtraction Level 2) extends the concepts of and fluency with addition and subtraction to 1,000, first without and then with regrouping. Engaging activities move the students from concrete to abstract understanding. Students will apply processes for computation with whole numbers.
The Upper Grades Standards Edition Unit 2 (Addition & Subtraction Level 2) builds on previous learning extending the students understanding of 2- to 3-digit number addition and subtraction to 1,000. They will use various strategies with operations strengthening the relationship between addition and subtraction, applying sequences and patters as computational aids, and employing a wide range of visual cues. Activities are based on the Universal Design for Learning and follow the instructional strategy of moving from concrete to representational to abstract thinking and processing.