Showing posts with label geometry. Show all posts
Showing posts with label geometry. Show all posts

Thursday, April 16, 2009

April 16 PSSA Math Boot Camp

Our April 16, 2009 PSSA math challenge problem involved geometry in solving an angle of an isosceles given one of the other angles. Answer is C.
--Mr. Bujak

Monday, April 13, 2009

April 13 PSSA Math Boot Camp

Our April 13, 2009 PSSA math challenge problem involved geometric probability: the probability of a bug landing on a balloon shapes on a cake. Answer is B.
--Mr. Bujak

Thursday, April 2, 2009

April 1 PSSA Math Boot Camp

Our April 1, 2009 PSSA math challenge problem winner is Shkeem Brown. This geometry problem involved solving an expression involving a triangle's interior angles and 3 exterior angles. Answer is C.
--Mr. Bujak

Sunday, March 15, 2009

March 13 PSSA Math Boot Camp Winner

Our March 13, 2009 PSSA math challenge problem winner is Jolesha Cruickshank. This geometry and algebra problem involved using algebra with properties of a parallelogram. Answer is B.--Mr. Bujak

Thursday, March 12, 2009

March 12 PSSA Math Boot Camp Winner

Our March 12, 2009 PSSA math challenge problem winner is Tishell Wessells. This geometry problem involved relating a rectangle's perimeter and area with algebraic constructs. Answer is C.--Mr. Bujak

Monday, March 9, 2009

March 9 PSSA Math Boot Camp Winner

Our March 9, 2009 PSSA math challenge problem winner is Tyler Linder. This geometry problem involved properties of a midpoint. Answer is C.--Mr. Bujak

Saturday, March 7, 2009

March 6 PSSA Math Boot Camp Winner

Our March 6, 2009 PSSA math challenge problem winner is Nadine Redic. This geometry problem involved finding the lines of symmetry (reflective symmetry) on a regular pentagon. "Regular" means all sides are the same. "Pentagon" means a 5-sided polygon. Answer is D.--Mr. Bujak

Thursday, March 5, 2009

March 5 PSSA Math Boot Camp Winner

Our March 5, 2009 PSSA math challenge (algebra) problem involved extrapolating a data point from a table of data values given that the fact that the data is inversely related. Answer is D.--Mr. Bujak

Wednesday, March 4, 2009

March 4 PSSA Math Boot Camp Winner

Our March 4, 2009 PSSA math challenge problem winner is Nadine Redic. This geometry problem involved finding the length of the body (or space) diagonal of a rectangular prism. Note that this is the Pythagorean Theorem in 3 dimensions. Answer is D.--Mr. Bujak

Friday, February 27, 2009

February 27 PSSA Math Boot Camp Winner

Our February 27, 2009 PSSA math challenge problem winner is Ernest McCollum. This geometry problem asked for the area of the circle given the circumference of the circle. Answer is B.


--Mr. Bujak

Monday, February 23, 2009

February 23 PSSA Math Boot Camp Winner

Our February 23, 2009 PSSA math challenge problem winner is Shkeem Brown. This geometry/algebra problem involved the application of the Pythagorean Theorem to solve for a leg of a right triangle. Answer is D.


--Mr. Bujak

Friday, February 20, 2009

February 20 PSSA Math Boot Camp Winner

Our February 20, 2009 PSSA math challenge problem winner is Nadine Redic. This algebra/geometry problem involved knowing and applying the equation of a circle. Answer is A. See also: conic sections.



--Mr. Bujak

Tuesday, February 17, 2009

February 17 PSSA Math Boot Camp Winner

Our February 17, 2009 PSSA math challenge problem winner is Shkeem Brown. This geometry/algebra problem involved solving areas of a triangle and a similar area for a square. Answer is A.


--Mr. Bujak

Friday, February 13, 2009

February 13 PSSA Math Boot Camp Winner

Our February 13, 2009 PSSA math challenge problem winner is Tishell Wessells. This geometry/algebra problem involved approximating the length of a line segment which was part of a figure involving squares and right triangles. Answer is A.


--Mr. Bujak

Tuesday, February 3, 2009

February 3 PSSA Math Boot Camp Winner

Our February 3, 2009 PSSA math challenge problem winner is Tiffany Swan-Henley. This geometry problem tested your 3D visual abilities, by rotating (or revolving) a triangle about a fixed x-axis to result in a cone. Answer is A.

--Mr. Bujak

Friday, January 30, 2009

January 30 PSSA Math Boot Camp Winner

Our January 30, 2009 PSSA math challenge problem winner is Maryah Span. This geometry problem needed you to set up a proportion since there are similar triangles and cross multiply to solve for the length of the unkn0wn triangle side. Answer is B.
--Mr. Bujak

Friday, January 23, 2009

January 23 PSSA Math Boot Camp Winner

Our January 23, 2009 PSSA math challenge problem winner is Nadine Redic. This geometry problem asked how many small cubes of a given size would fit into the volume of a larger right rectangular prism with given dimensions. Answer is B. See also: dimensional analysis.

--Mr. Bujak

Wednesday, January 21, 2009

January 21 PSSA Math Boot Camp Winner

Our January 21, 2009 PSSA math challenge problem winner is Maryah Span. The geometry problem involved a triangle's interior angles, exterior angles, sum of interior angles = 180, supplementary angles. Maryah took a novel approach of estimating the angle measures knowing all the sum of the interior angles of a triangle = 180. She also knew the indicated exterior angle and the adjacent interior angles are supplementary (sum = 180). Knowing all this, Maryah simply crunched the numbers to come up with a quick solution.
--Mr. Bujak

Wednesday, January 14, 2009

January 14 PSSA Math Boot Camp Winner

Our January 14, 2009 PSSA math challenge problem winner is Ashley Alston.
This geometry problem involved finding the area of a square given the length of a diagonal. Ashley solved for the length of the side of the square using the Pythagorean Theorem and used that to find the area of the square. See also: special right triangles.
--Mr. Bujak

Tuesday, January 13, 2009

January 13 PSSA Math Boot Camp Winner

Our January 13, 2009 PSSA math challenge problem winner is Cindi Gil. Since this was multiple choice, Cindi did a quick approximate measurement of one side of the regular (all side lengths are equal) hexagon at about 3 cm. Since there are 6 sides in a hexagon, Cindi added six 3's to get 18 cm for the perimeter. She picked the closest answer since her initial measurement of one side was only approximate.
--Mr. Bujak