Reflection: Conferencing Counting and Combining Groups of Objects - Section 3: How Many Wheels


These tasks are based on naturally occurring groups of two or four. They provide a concrete, real-life model for counting by groups.

As students are working, you will want to circulate and conference with each student about their approach.  You will want to note:

  • What approach do students use and how do they model the problems.  Are they using objects?  Drawing pictures? Using their fingers? Working mentally?  
  • How are they calculating the total?  Are they counting by 1s, 2s, or 4s?  Are they using doubles or other number combinations?
  • Can you tell from their representations how they solved the problem?

  Observing Students As They Work
  Conferencing: Observing Students As They Work
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Counting and Combining Groups of Objects

Unit 14: Counting by Groups
Lesson 3 of 8

Objective: SWBAT count and combine items that come in groups of 2 and 4.

Big Idea: Today your students will solve story problems that ask them to find totals the involve groups of 2 and 4.

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6 teachers like this lesson
Math, Number Sense and Operations, repeated addition, 1st Grade, counting by groups
  70 minutes
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