# Math Through Discovery LLC

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Using three drawings of a circle, students develop the equation of a circle. • Students first find 4 easy points that are 5 units from the center of a circle. • Next the students use the Pythagorean Theorem to find that eight other points are
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Worksheets, Activities
\$3.00
\$2.40
3
Digital Download PDF (1.17 MB)
This activity describes how you can fold a circle or a large paper plate to form a unit circle. The first fold creates the diameter of the circle.While the circle is folded it is folded in half again creating a second diameter that is perpendicular
Subjects:
Math, PreCalculus, Trigonometry
Grades:
10th, 11th, 12th
Types:
Activities
\$3.00
\$2.40
10
Digital Download PDF (0.62 MB)
This is a great way to introduce a unit on circles to Geometry students. The lesson is made up of two parts: · A vocabulary review: Students fold 6 circles and review basic terms as they complete a vocabulary page. · Folding a Circle: Students
Subjects:
Math, Geometry
Grades:
9th, 10th
Types:
Activities
\$3.00
\$2.40
2
Digital Download PDF (0.31 MB)
This lesson is divided into 5 investigations where students use straightedges and protractors to make conclusions about tangents and tangent segments. One addition: “Bring It All Together” contains 5 additional application problems to help
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Lesson Plans (Individual), Worksheets, Activities
\$3.00
\$2.40
3
Digital Download PDF (1.35 MB)
This activity sheet engages students with several circles, that help them reason that arc length of a circle is a proportional part of a circumference and the area of a sector is a proportional part of the area of the whole circle. Using the
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Worksheets, Activities
\$4.00
\$3.20
2
Digital Download PDF (3.65 MB)
This Smartboard Q and A (Questions and Answers) game, a jeopardy type game, is designed to review reasoning in geometry using the categories: • Tangents, • Chords, • Arcs, • Circumference and • Arc length. The questions in each category are
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Activities, Interactive Whiteboard, Games
\$6.00
\$4.80
1
Digital Download NOTEBOOK (36.99 MB)
Through this activity students discover the formula for the area of a circle. Students are provided a circle and three squares whose side equals the measure of the radius of the circle. Students are challenged to cut the three squares apart and
Subjects:
Math, Geometry
Grades:
6th, 7th, 8th, 9th, 10th
Types:
Activities, Laboratory
\$2.00
\$1.60
1
Digital Download ZIP (0.06 MB)
This set of sixteen task cards contains cards that focus onthe CCSS for circles in Geometry.• CCSS. MATH.CONTENT.HSG.C.A.1: Prove that all circles are similar.• CCSS.MATH.CONTENT.HSG.C.A.2: Identify and describe relationships among inscribed
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Activities, Task Cards
CCSS:
HSG-C.A.1, HSG-C.A.2, HSG-C.A.3, HSG-C.A.4, HSG-C.B.5
\$5.00
\$4.00
Digital Download PDF (0.89 MB)
This set of twenty-five task cards is made up of five sets of five cards. Each set focuses on looking at the circle with a different focus: • Cards 1-5: Analyzing the Equilateral Triangled inscribed in a circle• Cards 6-10: Analyzing Shapes
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Activities, Task Cards
\$5.00
\$4.00
Digital Download PDF (1.13 MB)
Through using a set of regular polygons that all are inscribed in the same circle, students measure the apothem and the side of the regular polygon and then calculate the area of one representative triangle, and the area of all the triangles. After
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Lesson Plans (Individual), Activities
CCSS:
HSG-GMD.A.1
\$1.50
\$1.20
Digital Download PDF (0.53 MB)
This smartboard lesson can be used to introduce students to tangent segments.The lesson begins with a Do Now where students draw two sets of tangent and measure the tangent segments to discover that each pair of tangent segments are congruent.The
Subjects:
Math, Geometry
Grades:
9th, 10th
Types:
Lesson Plans (Individual), Activities
\$2.00
\$1.60
Digital Download ZIP (0.47 MB)
This Geometer's Sketchpad Activity explores all the various lines and line segments associated with a circle. With the use of hide/show buttons it is possible to ask questions and then look for a response from the program. A full set of directions
Subjects:
Math, Geometry
Grades:
9th, 10th, 11th
Types:
Activities
\$3.00
\$2.40
Digital Download ZIP (1.13 MB)
This smartboard file will help you explain that the area of a circle is more than 3 times the r squared and less than 4 times r squared.The last slide shows you the results after moving the various squares and pieces on top of the circle and what
Subjects:
Math, Geometry
Grades:
7th
Types:
Interactive Whiteboard
FREE
1
Digital Download NOTEBOOK (0.24 MB)
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TEACHING EXPERIENCE

Over 40 years teaching mathematics in grades 6, 7, 8, 9, 10,11, 12 and College Subjects included : Algebra 1 and Algebra 2, Geometry, Pre-Calculus, and Calculus AP (both AB and BC) Over 15 years - a mathematics consultant who works with teachers in NJ schools to help them engage their students in their mathematics lessons. A speaker at NCTM and AMTNJ conferences

MY TEACHING STYLE

Discovery-Based Learning with both technology and hands-on lessons. I love to engage students in lessons where they can have those ah-ha moments in the lesson when those light bulbs in their brain get turned on. My lessons are designed so that students are not just spectators to the lesson. They are actually actively involved in building their understanding of the concepts being considered. My lessons are designed this way because when students are actively engaged in a lesson they remember the concepts for a longer period of time. I have designed many scavenger hunts, Q and A games, Task Cards and Activity Sheets that focus on conceptual understanding. You will also find I Have...Who Has cards for Algebra and Calculus.

HONORS/AWARDS/SHINING TEACHER MOMENT

Presidential Awardee for Excellence in Teaching Science and Mathematics (NJ Representative) 1993 Tandy Prize - 1995-96 AMTNJ Mathematics Leadership Award

MY OWN EDUCATIONAL HISTORY

BS in Education - Taylor University - Mathematics-Physics MA in Mathematics - Ball State University

ADDITIONAL BIOGRAPHICAL INFORMATION

Consultant in Teaching Mathematics Classroom Coach Classroom Teacher Workshop Leader Collegeboard Consultant Calculus AP Consultant Some of the proceeds from this store support a mathematics scholarship at Cairn University, Langhorne, PA. and Taylor University, Upland, IN

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SUBJECTS

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