Unit 6, Lesson 2
Cómo saber si ya contamos (Optional)
Kínder
Preparation
Lesson Narrative
This lesson is optional because it is an opportunity for extra practice keeping track of and accurately counting groups of up to 20 objects. When counting larger groups of objects, it is more likely that students will skip some objects or count objects more than once, which highlights the need to organize and keep track while counting. The second activity provides opportunities to practice different ways of keeping track of objects in order to count accurately.
- Engagement
- MLR8
- Explain (orally) methods for keeping track of objects while counting collections up to 20.
- Descubramos cuántos tenemos.
Required Materials
Activity 2
Activity 3
Required Preparation
- Each student needs a collection of 11-20 objects.
- Each student needs a collection of 11–20 objects.
- Students need the 10-frames and counting mats from the previous activity.
- Gather materials from:
- Number Race, Stages 1 and 2
- Subtraction Towers, Stage 1
- 5-Frames, Stages 1 and 2
Suggested Centers
NoneTeacher Reflection Questions
When do your students feel successful in math? How do you know?