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What you will like about this lesson
Allows students to begin visualizing the teen numbers as ten ones and some further ones (K.NBT.A.1)
Gives students opportunities to practice "counting on" in a quick and efficient way during fluency practice (K.CC.A.2)
Lays the foundations for students to reason abstractly and quantitatively about teen numbers (MP.2)
In the classroom:
Uses multiple concrete representations and visual models to make the mathematics explicit
Allows for whole group, partner, and individual work in one lesson
Prompts students to share their developing thinking and understanding (Student Debrief and throughout lessons)
Provides opportunities and suggestions for differentiation
Gives formal and informal opportunities for teachers to check for understanding
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