Lesson plan

Subtract within 20 by subtracting in parts

  • From LearnZillion
  • Created by
  • Standards
  • Tags:
teaches Common Core State Standards 2.OA.B.2 http://corestandards.org/Math/Content/2/OA/B/2
Preview assignment >
Print

You have saved this lesson plan!

Here's where you can access your saved items.

Dismiss

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 plan.

Big Idea: Numbers can be decomposed and recombined different ways to add and subtract. Therefore, there are many solutions to the same problem. This lesson builds on students' understanding of composing and decomposing numbers as strategies to add and subtract. The task asks for students to think about how numbers can be decomposed and subtracted multiple ways as a strategy for subtraction. Vocabulary: add, subtract, equation, decompose, equal, value Special Materials: Connecting Cubes
Provide feedback