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Area and Perimeter Third Grade

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Day 1

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How Big is a Foot?

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How big is a foot?

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How Big is a Foot? http://www.youtube.com/watch?v=b WhWL1MET7A

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What was the apprentices idea?

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Build the Bed Reflect on what the apprentice was thinking. Can we act this out? Build the bed using the apprentices foot.

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Build the Bed...Again Cut out the Kings foot. Build the bed again using the Kings foot! Build it right next to the other bed.

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Reflect Why is one bed larger than the other? Didnt we use the same number of feet to make both beds? Turn & Talk, then write a reflection.

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Day 2

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How big is the Kings foot? We will measure the Kings foot from the top of the big toe to the back of the heel.

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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.

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

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Math Congress Floor Tile Observations

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Day 3

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

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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

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

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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.

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Scavenger Hunt – Inside 1.Rectangular shape in hall 2.Tile design in hall 3. Glass Window in hall 4. Bottom part of bathroom wall

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

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Estimating Area – Recording Sheet

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Day 4

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

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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.

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Day 5

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After test Only complete the area column

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Day 6 - Finding Area in Square Inches 1 Length Width

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Day 7 – Area in Square Centimeters 5 8

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

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Day 9 – Test & Activity

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Day 10 -

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