Lesson 15 Explain How You Counted
Let’s count collections of objects and tell our partners how we counted.
Warm-up Questions About Us: Represent Attendance
How many of us are here today?
Activity 1 Counting Collections: Share How You Counted
Figure out how many objects are in your collection.
Switch collections with a partner. Figure out how many objects are in your new collection.
Tell your partner how many objects are in your collection. Show them how you counted the objects.
Activity 2 Use a Counting Mat to Keep Track
Use the counting mat to figure out how many objects are in your collection.
Activity 3 Centers: Choice Time
Choose a center.
Geoblocks
Connecting Cubes
Pattern Blocks
Picture Books
