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FORMULAS C= d A=LW C= d A=LW D=2r D=2r

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QUOTE OF THE DAY The greater the obstacle, the more glory in overcoming it. The greater the obstacle, the more glory in overcoming it. Moliere Moliere

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? Of the Day Why didnt and Why didnt and like talking to ? like talking to ?

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????PLEXER???? SIGHT SIGHT SIGHT SIGHT

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JOURNAL TOPIC Some parents give their child an unusual name, such as Rainbow or Tree. What would be some possible effects of this on the childs life? Some parents give their child an unusual name, such as Rainbow or Tree. What would be some possible effects of this on the childs life? pdebarruel@sanjuan.edu pdebarruel@sanjuan.edu ?

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WEBSITE www.allmath.com www.allmath.com

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GEOGRAPHY Massachusetts Massachusetts Capital: Boston Capital: Boston

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FAMOUS PEOPLE FROM MASSACHUSETTS John & John Quincy Adams John & John Quincy Adams John F. Kennedy John F. Kennedy George Bush George Bush Paul Revere Paul Revere

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Spelling perimeter perimeter circumference circumference diameter diameter radius radius width width

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Spelling height height volume volume rectangular rectangular area area pi pi

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PERIMETER OF A SQUARE P = 4S (side) P = 4S (side) If S = 2, then 4 x 2 = 8 If S = 2, then 4 x 2 = 8

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Word Problems The Adams family The Adams family are remodeling their are remodeling their bathroom. They want bathroom. They want to put decorative tile around the top of to put decorative tile around the top of the walls. The room is 8 x 8. How the walls. The room is 8 x 8. How many feet will they need? P= 4S =4 x 8= many feet will they need? P= 4S =4 x 8= 32 feet of tile. 32 feet of tile.

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Perimeter of a Rectangle P = 2L + 2W (length and width) P = 2L + 2W (length and width) If L = 4 and W = 2, then If L = 4 and W = 2, then 2 x 4 = 8 and 2 x 2 = 4. 2 x 4 = 8 and 2 x 2 = 4. 8 + 4 = 12. 8 + 4 = 12.

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Word Problems The Bells want to put a The Bells want to put a railing around their new patio railing around their new patio which is 20 by 10. How many which is 20 by 10. How many feet of railing will they need? feet of railing will they need? P= 2L + 2W (2 x 20 + 2 x 10)] P= 2L + 2W (2 x 20 + 2 x 10)] P = 40 + 20 = 60 of railing. P = 40 + 20 = 60 of railing.

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Perimeter of a Triangle P = S + S + S P = S + S + S If S one is 2, S two is 3, and S three is 4, then P = 9 If S one is 2, S two is 3, and S three is 4, then P = 9

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Word Problem The Bells have a small The Bells have a small triangular garden area triangular garden area which is 7 x 6 x 5. which is 7 x 6 x 5. They wish to put a small They wish to put a small fence around the garden. fence around the garden. How much fencing will they need? How much fencing will they need? P = 7+6+5 = 18 of fencing. P = 7+6+5 = 18 of fencing.

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Circumference of a Circle C= d (diameter) (3.14 ) C= d (diameter) (3.14 ) If d= 4, then 3.14 If d= 4, then 3.14 x 4 x 4 12.56 12.56

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Word Problem The Bells new spa is 14 The Bells new spa is 14 in diameter. They wish in diameter. They wish to put decorative tiles to put decorative tiles around the edge. How around the edge. How many feet of tile will they need? many feet of tile will they need? C= d (use pi = 22/7). They will need C= d (use pi = 22/7). They will need 44 of tiles. (22 x 14 2 ) = 44 44 of tiles. (22 x 14 2 ) = 44 7 1 7 1

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JOKE THE ROUNDEST KNIGHT AT King Arthurs round table was Sir Cumference. He acquired his size from too much pi. THE ROUNDEST KNIGHT AT King Arthurs round table was Sir Cumference. He acquired his size from too much pi.

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Area of a Square A= S If S = 2, A = 4 square inches If S = 3, A = 9 square (3 x 3) (3 x 3)

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Word Problems If the Adams new bathroom If the Adams new bathroom is 8 by 8, how many 12 is 8 by 8, how many 12 tiles will they need to tile the tiles will they need to tile the bathroom? bathroom? A = S squared, A = 8 squared, A = 64 square feet or 64 tiles.

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Area of a Rectangle A = LW (length times width) A = LW (length times width) If L = 4 and W = 2, then If L = 4 and W = 2, then A = 8 square A = 8 square If L = 3 and W = 1, If L = 3 and W = 1, Then A = 3 square inches Then A = 3 square inches

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Word Problems If the Bells new patio is 20 If the Bells new patio is 20 by 10, how many 12 tiles by 10, how many 12 tiles will they need to cover the will they need to cover the patio? A = LW (20 x 10 = 200) patio? A = LW (20 x 10 = 200) They will need 200 square feet or They will need 200 square feet or 200 tiles. 200 tiles.

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Area of a Triangle A = 1/2BH (base x height) A = 1/2BH (base x height) If B = 8 and H = 4, If B = 8 and H = 4, then A = ½ of 32 then A = ½ of 32 A = 16 square inches A = 16 square inches

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Word Problems If the Bells decide to If the Bells decide to paint half of the tiles paint half of the tiles a contrasting color, how a contrasting color, how many tiles will they paint? many tiles will they paint? A = ½ BH. B 20 x H 10 = 200, A = ½ BH. B 20 x H 10 = 200, A = 100 square feet or 100 tiles. A = 100 square feet or 100 tiles.

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Area of a Circle A = r pi = 3.14 A = r pi = 3.14 r= radius r= radius If r = 3, then 3 squared is 9 If r = 3, then 3 squared is 9 3.14 3.14 x 9 x 9 28.26 square inches 28.26 square inches

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Word Problems The Bells want to make a cover The Bells want to make a cover for their new spa. How much for their new spa. How much material will they need? material will they need? A= r. If the spa is A= r. If the spa is 14 across, the radius is 7, squared is 49 14 across, the radius is 7, squared is 49 Use 22/7 for pi. Then 22 x 7 = 154 square Use 22/7 for pi. Then 22 x 7 = 154 square feet. ( 22 x 49 7 = 22 x 7 = 154 ) feet. ( 22 x 49 7 = 22 x 7 = 154 ) 7 1 7 1

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Volume of a Cube V= S V= S If S = 3, then If S = 3, then V = 3 x 3 x 3 = 27 cubic inches V = 3 x 3 x 3 = 27 cubic inches

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Volume of a Rectangle V = LWH (length x V = LWH (length x width x height width x height If L = 3, W = 2 and H = 2, then V = 12 cubic feet.

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Volume of a Cylinder V = r h V = r h If r = 4, then 4 squared If r = 4, then 4 squared = 16. If h= 2, then = 16. If h= 2, then V = 3.14 (pi) V = 3.14 (pi) x 32 x 32 628 628 942 942 10,048 cubic inches 10,048 cubic inches

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Word Problem The Garden-Gro Shop has several different sizes of planter boxes. The Garden-Gro Shop has several different sizes of planter boxes. Some are square, some rectangular, and some are round. We need to find the amount of potting soil we will need for each kind and size purchased. Some are square, some rectangular, and some are round. We need to find the amount of potting soil we will need for each kind and size purchased.

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Planters (cont.) V=S If the sides of V=S If the sides of this cube-shaped planter box are this cube-shaped planter box are 2, then V=2 x 2 x 2 = 8 cubic feet. 2, then V=2 x 2 x 2 = 8 cubic feet.

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Planters (cont.) If this rectangular flower box If this rectangular flower box is 3 x 2 x 2, then V=LWH or is 3 x 2 x 2, then V=LWH or 3 x 2 x 2= 12 cubic feet. 3 x 2 x 2= 12 cubic feet.

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Planters (cont.) If this circular flower pot has a If this circular flower pot has a radius of 7 and is 10 high, then radius of 7 and is 10 high, then V= r h. V= r h. V= 22/7 x 7 x 10 V= 22/7 x 49 x 10 ( 22/7 x 49 7 ) V = 22 x 7 x 10 = 154 x 10 = 1,540 cubic of potting soil needed.

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Answer to ? Of the Day and didnt like talking and didnt like talking to because he went on forever! to because he went on forever! Pi = 3.1428571,etc!

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ANSWER TO PLEXER LOVE AT FIRST SIGHT!! LOVE AT FIRST SIGHT!!

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NEXT TIME ALGEBRA AND ALGEBRA AND

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9.4 – Perimeter, Area, and Circumference

9.4 – Perimeter, Area, and Circumference

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