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Area and Perimeter Third Grade

Area and Perimeter Third Grade. Day 1. How Big is a Foot?. How big is a foot?. How Big is a Foot?. http :// www.youtube.com/watch?v=bWhWL1MET7A. What was the apprentice’s idea?. Build the Bed. Reflect on what the apprentice was thinking. Can we act this out?

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Area and Perimeter Third Grade

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  1. Area and PerimeterThird Grade

  2. Day 1

  3. How Big is a Foot?

  4. How big is a foot?

  5. How Big is a Foot? http://www.youtube.com/watch?v=bWhWL1MET7A

  6. What was the apprentice’s idea?

  7. Build the Bed • Reflect on what the apprentice was thinking. • Can we act this out? • Build the bed using the apprentice’s foot.

  8. Build the Bed...Again • Cut out the King’s foot. • Build the bed again using the King’s foot! • Build it right next to the other bed.

  9. Reflect • Why is one bed larger than the other? • Didn’t we use the same number of feet to make both beds? • Turn & Talk, then write a reflection.

  10. Day 2

  11. How big is the King’s foot? • We will measure the King’s foot from the top of the big toe to the back of the heel.

  12. Floor Tiles • Look at our classroom floor. • Each square on the floor is a tile. • We are going to give you a paper floor tile that will serve as a model.

  13. Tile Observation • Observe everything you can about the your tile. • Discuss your observations. • Record your observations in your math notebook.

  14. Math Congress Floor Tile Observations

  15. Day 3

  16. How much space does the bed cover? • Use your tiles go determine how much space the bed covers.

  17. Two ways to record square feet • There are two ways to record square feet. • Write these in your math journals. 18 sq ft OR 18 ft 2

  18. What is Area? • Area is the amount of space a shape takes up. • Record the definition of area in your math journals.

  19. Estimating Area • You are going to estimate the area of several shapes round our school. • Remember, an estimate tells us “about” how many. • You will estimate the area of each shape in square feet, using your color tiles as a tool.

  20. Scavenger Hunt – Inside 3. Glass Window in hall 4. Bottom part of bathroom wall • Rectangular shape in hall • Tile design in hall

  21. Scavenger Hunt continued… 7. Black Millionaire poster 8. Front Side of Book Cabinet 5. Exterior Door Window Pane 6. Water Fountain Rug

  22. Estimating Area – Recording Sheet

  23. Day 4

  24. Small Tile Observation • Observe everything you can about the your tile. • Discuss your observations. • Record your observations in your math notebook.

  25. Color Tiles • What is the area of one floor tile in square inches? • Work in your group to determine how many square inches are in one floor tile. • With a partner in your group, create a poster to explain how you found the area of the tile.

  26. Day 5

  27. After test Only complete the area column

  28. Day 6 - Finding Area in Square Inches Width Length 1

  29. Day 7 – Area in Square Centimeters 8 5

  30. Day 8 – How Long? How Many? 2x3=6 4x5=20

  31. Day 9 – Test & Activity

  32. Day 10 -

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