2. Good Morning! Unpack Use bathroom Sharpen 2 pencils/Check lead Write down homework and bring agenda and homework book to me Get breakfast and check in with me Morning Work – Read/Practice Facts

3. 3.OA.5 & 7 Day 3

4. . Use the distributive property to solve 23 x 4.

5. Warm-Up: If the area is 42 square inches, what is the length of the missing side? SET-UP 7 in. ?

6. Question: How do mathematicians apply the Associative Property of Multiplication? KnowDo multiplication associative property solve problems using the associative property

7. Presentation

8. Benny wants the closets to be 7 feet wide and 5 feet long. He wants 2 closets. June wants 7 closets. She wants each closet to be 5 feet wide and 2 feet long. Write an expression to model the total area of Benny’s closet plan. Write an expression to model the total area of June’s closet plan. Benny and June can’t decide which plan gives the most closet space. Help them decide.

9. The product stays the same when the grouping of factors is changed. (7 x 5) x 27 x ( 5 x 2) Turn and Talk: What other operation can the Associative Property be used with? Video

10. Early Finisher: What is the total cost of the tile? The rectangle below represents the bathroom. Tile sells for $10 per square foot. Which two expressions can be used to find the total cost of the tile? A.(7 + 8) x 10D. 7 x (8 + 10) B. (7 x 8) x 10E. 7 + (8 x 10) C. (7 x 8) + 10F. 7 x (8 x 10) 8 ft. 7 ft.

11. When the music starts, dance around the room with your partner. When the music stops, stop in front of another pair’s work. Leave a feedback memo. _____ I agree with your answer, because…. _____ I am a little fuzzy about…. _____ I disagree with your answer, because….

12. Benny writes these two expressions to show how to find the total area of the walls of a office. 9 x (10 X 4)(9 x 10) x 4 June says these two expressions are not equal. Explain why June’s reasoning is incorrect. Early Finisher: What is the total area of all 4 walls?

13. When the music starts, move about the room. When the music stops, high-five a partner. Share, listen, and respond. _____ I agree with your answer, because…. _____ I am a little fuzzy about… _____ I disagree with your answer, because….

14. Question: How do mathematicians apply the Associative Property of Multiplication? KnowDo multiplication associative property solve problems using the associative property

15. The rectangle below represents a folding table. Benny puts 4 of folding tables together to serve food at the housewarming party. Which two expression can be used to find the total area of the food table? A. (2 x 7) + 4D. 2 x (7 + 4) B. (2 + 7) x 4E. 2 + (7 x 4) C. (2 x7) x 4F. 2 x (7 x 4) 7 ft. 2 ft.