New Deal Middle School
7th Grade Math/Technology
7th Grade Technology
America's Got Talent
Guess What My Favorites Are
Tell us about the first one invented
Oh the Places You'll Go
Fast Food Excel
7th Grade Math
Chapter 3 Percents
Scales and Similar Figures
Geometry Notes and Help
: The naming of an angle is related to the line segments that create it. We'll also learn about the angle's vertex. Come on. Let's do this.
Complementary and supplementary angles
: Let's add some tools to our geometry tool belt. Here's a thorough explanation of complementary and supplementary angles, as well as definitions of adjacent and straight angles.
Introduction to vertical angles
: By using our knowledge of supplementary, adjacent, and vertical angles, we can solve problems involving the intersection of two lines. Including this one!
Solving for an angle
: Let's use a little math with our geometry and see if we can solve for a mystery angle. In this example we know the adjacent angle AND the combination of the mystery angle and the adjacent angle. Mystery angle...how big are you?
Triangles: categorization by angle or equal sides.
: Scalene, isosceles, equilateral, acute, right, obtuse. All are types of triangles but what makes them special depends on the method of categorization. Watch this outstanding explanation.
Circles: radius, diameter, circumference and Pi
: Learn how the number Pi allows us to relate the radius, diameter, and circumference of a circle.
Area of a circle
: In this example, we solve for the area of a circle when given the diameter. If you recall, the diameter is the length of a line that runs across the circle and through the center.
Area of a shaded region
: Here's a fun one: find the area of a shaded region where you first determine the area of a square and then the area of a circle.
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