Lesson Plan:

Break It Down

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March 23, 2017
by Lily Jones
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March 23, 2017
by Lily Jones

Learning Objectives

Students will be able to subtract three-digit numbers using place value blocks.

Lesson

Introduction (5 minutes)

  • Show students the place value blocks.
  • Say, “These blocks show 100, 10, and 1. We can use these blocks to represent how many hundreds, 10s, and 1s numbers have.”

Explicit Instruction/Teacher Modeling (10 minutes)

  • Write the number 394 on the board.
  • Say, “If you want to use place value blocks to represent this number, you would use three hundreds, nine tens, and four ones.”
  • Now write 394 - 293 = __ on the board. Say, “Let’s subtract 293 from 394. That means we have to take away one hundred, nine tens, and three ones.”
  • Show how to subtract 293 from 394 using place value blocks.
  • Now write 394 - 293 = 101 on the board.

Guided Practice/Interactive Modeling (10 minutes)

  • Hand out place value blocks to the students.
  • Write the number 539 on the board. Have students work in pairs to represent 539 with place value blocks.
  • Now tell students to subtract 323 from 539.
  • Have students share their answers with the class.

Independent Working Time (15 minutes)

  • Pass out the Place Value Blocks worksheet.
  • Have students work independently to solve the problems.

Extend

Differentiation

Enrichment: Have students work with place value blocks to create and solve additional three-digit subtraction problems.

Support: Have students work with real place value blocks when solving the problems on the worksheet.

Review

Assessment (5 minutes)

  • Assess students’ understanding by observing how they solve the problems on the worksheet.
  • Have students share their answers with the same partners they worked with during the guided practice section of the lesson and listen in to assess understanding.

Review and Closing (5 minutes)

  • Have students share their strategies for solving the problems on the worksheet.

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