Your device is currently offline. You can view downloaded files in My Downloads.

Lesson Plan

Add within 20 by decomposing to make 10

  • Created by:
  • Standards:
  • Tags:
teaches Common Core State Standards CCSS.Math.Content.2.OA.B.2 http://corestandards.org/Math/Content/2/OA/B/2
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7
Quick assign
Preview assignment >

You have saved this lesson!

Here's where you can access your saved items.

Dismiss
Content placeholder

Card of

  1. Begin lesson Begin assignment

Tip: swipe on touch devices, use your keyboard's ← and → arrow keys, or clicker buttons to quickly navigate the lesson plan

or to view additional materials

You'll gain access to interventions, extensions, task implementation guides, and more for this lesson.

This lesson builds on students' prior knowledge of combinations of ten. Students will add within 20 by decomposing to make 10. The task challenges students to add by decomposed and recombined to make a ten as an addition strategy. The big idea focuses on finding solutions multiple ways and decomposing and recombining numbers as strategies to add. Vocabulary: tens, ones, decompose, recompose, digit, sum, equal, combination, ten frame Special Materials: Crayons Connecting Cubes (optional)
Provide feedback