March 23, 2017
|
by Lily Jones

Lesson plan

Big Spenders

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Do you need extra help for EL students? Try the Multiples of 10 pre-lesson.
EL Adjustments
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Do you need extra help for EL students? Try the Multiples of 10 pre-lesson.

Students will be able to subtract 100 from multiples of 100.

The adjustment to the whole group lesson is a modification to differentiate for children who are English learners.
EL adjustments
(5 minutes)
  • Write the following numbers on the board: 100, 200, 300, 400, 500, 600, 700, 800, 900 and 1,000.
  • Ask students what these numbers have in common.
  • Explain that all of these numbers are multiples of 100. This means that 100 two times is 200, three times is 300, etc.
(10 minutes)
  • Tell students that they are going to pretend to go shopping for some big items. They will have $1,000 and will be able to buy things with prices that are multiples of $100.
  • On the board, draw several big-ticket items, such as a couch, trampoline, swing set, and TV. Write price tags showing prices that are multiples of $100.
  • Tell students that you are going to decide what to buy with your $1,000.
  • Pick one item and then subtract $1,000 – (cost of your item) to figure out how much money you have left.
(5 minutes)
  • Tell students that they should decide what other item you buy with the amount of money you have left.
  • Have them turn to a partner to share what item they think you should buy, calculating how much money you would have left after buying it.
  • Write number sentences on the board to represent the situations students describe.
(20 minutes)
  • Pass out paper to the students. Have them work in partners. Each partner should create a store of high-ticket items with prices that are multiples of $100. They should draw pictures and price tags for each item in their store.
  • Tell the students they each have $1,000 and can pick as many items as they can afford to purchase from their partner’s store.
  • The students should write number sentences to show how much money they have left after buying the items from the store.

Enrichment: Have students pretend to have $2,000 and do more shopping in their partners’ stores.

Support: Have students only buy one item from the partners’ stores, writing the corresponding number sentence.

(5 minutes)
  • Assess student understanding by observing how they are subtracting by multiples of 100.
  • Are they able to use their knowledge of place value to subtract quickly?
  • Further assess their understanding by looking closely at how they write and solve number sentences.
(5 minutes)
  • Have students share the number sentences they created when shopping in their partners’ stores.

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