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Lesson Plan
Three-Digit Addition with Base-Ten Models
Give your students a conceptual understanding of three-digit addition with this lesson focused on base-ten blocks and drawings.
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Subject
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Learning Objectives
Students will be able to use base-ten models to solve three-digit addition problems.
The adjustment to the whole group lesson is a modification to differentiate for children who are English learners.
Introduction
(2 minutes)
- Tell students that today they will use base-ten models to solve addition problems.
Beginning
- Provide students with a notecard that has the vocabulary word base-ten models on the front and a visual representation on the back.
- Sketch a base-ten model on the whiteboard, a regular addition problem, and a three-digit number written in expanded form. Ask students to come up to the whiteboard to point to the base-ten model and encourage them to orally label the model (ie. "This is a base-ten model.")
Intermediate
- Ask students to explain what they know about base-ten models to a peer.
- Encourage students to reflect on the purpose of using base-ten models. Provide sentence frames to support students in sharing their ideas, such as:
- I think we use base-ten models to ________.