Reflection: Adjustments to Practice Subtract with 0, 1, and 2 - Section 1: Rev Them Up


Always do as I say and not as I do. Always ask "How?" or "Why?" at every opportunity. During our game of subtraction I wanted to see what their answer would be when I decided to pull out 0 from the bag as we are learning about the identity property in today's lesson. This was a fabulous idea to get students' brains ready for the next section, and they nailed the answer. However, I skimmed right over the opportunity to ask them, "How do you know?" I was so irritated at myself when I looked back at this video clip and realized what I did. I stole a moment from them to explain their thinking and for my lower students extra processing time. Don't make my mistake!

  Adjustments to Practice: Missed Opportunity
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Subtract with 0, 1, and 2

Unit 11: Subtraction Strategies
Lesson 1 of 7

Objective: SWBAT subtract 0, 1, and 2 from numbers within 20 with fluency.

Big Idea: No solving required! Children need automaticity with subtraction problems within 20. We start to build fluency by learning the identity property and getting automatic with simple subtracting 0, 1, and 2 problems.

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2 teachers like this lesson
Math, Number Sense and Operations, facts, fluency, subtraction, take away, Operations
  45 minutes
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