Unit 8, Lesson 13
Center Day 2 (Optional)
Grade 2
Warm-up
Instructional Routines
True or False?Materials
NoneActivity Narrative
The purpose of this True or False? is to elicit strategies and understandings students have for adding with multiples of 2 and with two equal addends. These understandings help students deepen their understanding of the properties of operations, and gain fluency within 20. These practices will also help students develop foundations for multiplication.
Launch
- Display one statement.
- “Give me a signal when you know whether the statement is true and can explain how you know.”
- 1 minute: quiet think time