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Lesson Plan

1. Compose Numbers to 10 (C)

teaches Common Core State Standards CCSS.Math.Content.K.OA.A.1
teaches Common Core State Standards CCSS.Math.Content.K.OA.A.2
teaches Common Core State Standards CCSS.Math.Content.K.OA.A.3
teaches Common Core State Standards CCSS.Math.Practice.MP4
teaches Common Core State Standards CCSS.Math.Practice.MP5
teaches Common Core State Standards CCSS.Math.Practice.MP6
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Lesson objective: Understand addition as putting together.

Students bring prior knowledge of addition from K.OA.A.1. This prior knowledge is extended to numbers up through 10 as students compose numbers using pairs of addends. A conceptual challenge students may encounter is incorrectly counting the number of objects. 

The concept is developed through work with manipulatives, such as counters, which help students develop one-to-one correspondence as they count objects.

This work helps students deepen their understanding of equivalence because students develop an understanding that there are different ways to make the same number.

Students engage in Mathematical Practice 4 (Model with mathematics) as they show different combinations to make the number six.

Key vocabulary:

  • addition
  • compose
  • number
  • part
  • total

Special materials needed:

  • manipulatives, such as counters
Related content

Appears in

Understanding addition and subtraction within 10

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