# Break It Down

Do you need extra help for EL students? Try the Think About What Went Wrong!Pre-lesson.

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Do you need extra help for EL students? Try the Think About What Went Wrong!Pre-lesson.

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

The adjustment to the whole group lesson is a modification to differentiate for children who are English learners.
(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, tens, and ones we have.”
(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 = 101On the board.
(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.
(15 minutes)
• Pass out the Place Value Blocks worksheet.
• Have students work independently to solve the problems.

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.

(5 minutes)
• Assess student 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 practise section of the lesson and listen in to assess understanding.
(5 minutes)
• Have students share their strategies for solving the problems on the worksheet.

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