Reflection: Three Columns - Section 3: Playing Three Towers


As I was circulating, I noticed a student that was having a hard time determining the number of cubes in her column.  As I was filming her, I realized that she was still struggling with the 1:1 correspondence.  If you watch the video (in the resource section) you will notice she keeps skipping the third cube.  SHe finally got it correct after the third attempt.  

As a result, I will continue to work with her on this skill.  I am thinking, I will give her a set number of cubes at the beginning of math each day.  I will ask her to count them for me and reinforce the idea of moving one away as she count each cube.  

  Reflection on Student Need
  Reflection on Student Need
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Three Columns

Unit 5: Building Numbers
Lesson 2 of 7

Objective: SWBAT identify the relationships among combinations of 10. They will also use standard notation to represent addition situations.

Big Idea: Using visual models to write equations, students will build towers of ten and look at the number combinations used to create each tower.

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Math, Number Sense and Operations, Operations , 1st Grade, standard notation, complements of ten
  65 minutes
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