QDN Week #9 Ending Unit 8 Angle Relationships, Beginning Unit 9 Circles, Surface Area and Volume.

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QDN Week #9 Ending Unit 8 Angle Relationships, Beginning Unit 9 Circles, Surface Area and Volume

IWBAT identify Angle Relationships with 80% accuracy BTEOC (measured by Kahoot). Quiz 5/22 Classify the following Angle Relationships. Do Now 5/22 Classify the following Angle Relationships.

IWBAT solve equations with variables on both sides BTEOC IWBAT solve equations with variables on both sides BTEOC. (measured by Kahoot) Quiz 5/23 Distribute, Isolate the x variable, add, then divide by the coefficient. 4(x − 5) = x + 19 4x − 20 = x + 19 subtract x from both sides 4x – x = 3x and x – x = 0 3x − 20 = 19 3x − 20 + 20 = 19 + 20 Add 20 to both sides 3x 3 = 39 3 divide by a coefficient x = 13 variable is isolated Do Now 5/23 Solve for x, and find the measure of the Supplementary Angles. (26 + 6x)° 22° 26 ° + 6x ° + 22° = 180 ° 6x + 48 = 180 subtract 46 from both sides 6x + 48 - 48 = 180 – 48 6x 6 = 126 6 x = 21

IWBAT solve Complementary and Supplementary Angle relationships BTEOC (measured by Kahoot) Quiz 5/24 Write an equation that represents each diagram and solve for x. 36 + 3x = 90 3x + 36 – 36 = 90 – 36 3x 3 = 54 3 X = 18° Do Now 5/24 Write an equation that represents each diagram and solve for x. 23 + 2x = 43 2x + 23 – 23 = 43 – 23 2x 2 = 20 2 X = 10°

IWBAT calculate the Area and Circumference of a Circle BTEOC. Quiz 5/25 Janet sells erasers at a price of 8 erasers for 60 cents. She started this table to show the price for different numbers of erasers. Complete the table. Quiz 5/25 𝐴=𝜋 ·𝑟 2 or 𝐴= 𝑟 2 ·𝜋 Calculate the area of a circle with a radius of 9 in. Use 3.14 for 𝜋. A = 𝜋 x 92 A = 𝜋 x 81 or 3.14 x 81 A = 24.349 in2 2 24.35 Rounded to the nearest hundredth place. 0.30 0.075 0.90 0.75 1.20 7.50

IWBAT figure out the Surface Area of a Rectangle Prism using 2 methods BTEOC. Quiz 5/26 Find the total surface area of the rectangle prism. Top = 2(12 x 3) = 2(36) equals 72 Front = 2(12 x 4) = 2(48) equals 96 Side = 2(4 x 3) = 2(12) equals 24 Add up all the sub-areas to get 96 + 72 + 24 = 192 cm2 Do Now 5/26 Find the total surface area of the rectangle prism. Method #2 Add the Base Perimeter is 4 + 4 + 3 + 3 = 14 in. Perimeter x Height = 14 x 5equals 70 Add Base Area (top and bottom) 2(12) = 24 Total Surface Area = 70 + 24 or 94 inches 2 Method #1 Top 2(4 x 3), Front 2(4 x 5) Side 2(5 x 3) 24 + 40 + 30 = 94 inches 2