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.

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