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# Peter Jonnard

(344)
United States - Colorado - Littleton
5.0
 "May(3) I(1) have(4) a(1) large(5) container(9) of(2) coffee(6), cream(5), and(3) sugar(5)?" -Pi

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My geometry students need practice with proving triangles congruent using SSS, SAS, ASA, HL, SAA, and they also need practice applying these congruence shortcuts to figures in which the parts don't necessarily "line up," or in figures requiring them
Subjects:
Geometry
8th, 9th, 10th, 11th, 12th, 7th
Types:
Activities, Handouts, Printables
\$4.99
36
In teaching my Algebra and Geometry students, I often find that I can spend a great deal of time simply giving them the formulas. To save time, I've created this Area and Perimeter Formulas Reference Sheet, which includes the formulas for basic
Subjects:
Math, Algebra, Geometry
8th, 9th, 10th, 11th, 12th, 6th, 7th
Types:
Handouts
\$3.99
11
No matter what course I teach at the high school level, it seems students need a review of how to add, subtract, multiply, divide, and compare fractions. This worksheet has a summary of each operation with examples. It includes fraction problems
Subjects:
Math, Applied Math, Fractions
8th, 9th, 10th, 11th, 12th, Homeschool, 7th
Types:
Worksheets, For Parents, Homework
\$4.49
15
This worksheet is designed to replace a lecture on the topic of special right triangles: it walks the kids through the 45-45-90 (isosceles right triangle) and 30-60-90 (half an equilateral triangle) shortcuts. It includes a key. I start out class
Subjects:
Math, Geometry
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Cooperative Learning, Activities
\$4.99
21
Geometry students often like to "play" with their compass and straightedge when they first use them: this activity is exactly what I use to get some mileage out of this urge to play: by just repeatedly drawing full circles (as opposed to arcs),
Subjects:
Geometry
8th, 9th, 10th, 11th, 12th
Types:
Activities, Fun Stuff
\$4.49
28
After teaching my students about scatterplots, correlation, and the line of best fit, I take a day for them to do a hands-on lab, in which they measure their height (in inches) and their forearm length (from the tip of their elbow, to the bony point
Subjects:
Math, Algebra, Statistics
8th, 9th, 10th, 11th, 12th, 7th
Types:
Cooperative Learning, Activities, Laboratory
\$3.99
15
This is an 80-question, multiple-choice final exam for the second semester of Geometry. It includes two versions, with the key provided. Each version is 14 pages for a total of 28 pages. If you have a final exam session less than 2 hours in
Subjects:
Math, Geometry
8th, 9th, 10th, 11th, 12th
Types:
Assessment, Examinations - Quizzes
\$14.99
13
This worksheet is designed to replace a lecture on calculating geometric probability. I start out class with a 15-minute "mini-lesson," giving my students some basic examples of what today's lesson will be about. Once the mini-lesson is over, I
Subjects:
Math, Geometry
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Cooperative Learning, Activities
\$4.99
6
Once I've covered basic probability and statistical measures, I like to have students work with conditional probability, which can often go hand-in-hand with tree diagrams. I created this worksheet for my Algebra 1 students, and I find that it is
Subjects:
Math, Algebra, Statistics
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Homework
\$4.99
8
Before the final exam, I like to give my Algebra 2 students a thorough review packet to prepare for their upcoming final exam. This is the review for the first semester of Algebra 2. I don't grade this assignment, and I don't count it as extra
Subjects:
Math, Algebra 2
9th, 10th, 11th, 12th
Types:
Assessment, Study Guides
\$5.99
10
This worksheet is designed to give students an introduction to the concept of correlation, and it has them problem-solve with a problem requiring a scatterplot. I use this activity within cooperative groups, and I circulate to make sure they are
Subjects:
Math, Algebra, Statistics
9th, 10th, 11th
Types:
Worksheets, Cooperative Learning, Activities
\$4.49
12
Let's face it: Geometric Proofs are very difficult for students, and they're very difficult for teachers to teach, because there is so much information required to get across (such as knowing that the idea that 3 = 3 is the "reflexive property of
Subjects:
Math, Geometry
8th, 9th, 10th, 11th, 12th, Homeschool
Types:
Worksheets, Cooperative Learning, For Parents
\$5.49
17
This is a game I use over several weeks in my trigonometry classes, to help students better recall the three trigonometric functions of all special angles on a unit circle in both degrees and radians.First, you’ll need to print off one half-sheet
Subjects:
Trigonometry
9th, 10th, 11th, 12th
Types:
Fun Stuff, Games
\$4.99
15
I am currently teaching trigonometry in my IB class, and I find it crucial that students be able to apply their knowledge of how to write equations of sine functions (e.g. y = a*sin(b(x-c))+d) to real-world problems. I created problems based on
Subjects:
Math, Word Problems, Trigonometry
11th, 12th
Types:
Worksheets, Homework
\$4.49
6
When my Geometry students are learning proofs, they need a lot of assistance from me and other students. Before giving them a summative assessment, I like to give them a group/practice test about a week prior, to give them a chance to study
Subjects:
Math, Geometry
9th, 10th, 11th
Types:
Cooperative Learning, Activities, Assessment
\$4.99
12
In the past, when I taught students the properties of trapezoids and kites, I always felt that I was telling students things they could see and measure, and then when the assessment rolled around, I found out that I would have been better off having
Subjects:
Math, Geometry
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Cooperative Learning, Activities
\$4.99
9
Venn diagrams are always enjoyable to teach, because I tell the kids they can "color for credit," when they color in portions of the Venn diagram corresponding to a description. This worksheet includes notation for the intersection, union, and the
Subjects:
Math, PreCalculus
9th, 10th, 11th, 12th
Types:
Worksheets, Cooperative Learning, Activities
\$4.99
12
In the past, when I taught students the properties of parallelograms, I always felt that I was telling students things they could see and measure, and then when the assessment rolled around, I found out that I would have been better off having the
Subjects:
Math, Geometry
8th, 9th, 10th, 11th, 12th
Types:
Worksheets, Cooperative Learning, Activities
\$4.49
12
Venn diagrams are always enjoyable to teach, because I tell the kids they can "color for credit," when they color in portions of the Venn diagram corresponding to a description. I wrote this worksheet to help my students begin to visualize and make
Subjects:
Math, PreCalculus
10th, 11th, 12th
Types:
Worksheets, Cooperative Learning, Activities
\$4.99
16
I wrote this worksheet to replace a lecture on geometric probability. Instead of giving my students a lot of examples, I give them the basic formula for geometric probability, (included at the start of this worksheet) and the "helper formula,"
Subjects:
Math, Geometry, Statistics
8th, 9th, 10th, 11th, 12th, 7th
Types:
Worksheets, Cooperative Learning, Activities
\$4.99
7
showing 1-20 of 877
TEACHING EXPERIENCE

I've been teaching math full-time in public high schools since 1989. In the past five years, I have taught Algebra 1 (regular and accelerated), Geometry, Algebra 2, Honors Algebra 2, and IB Math SL. (Formerly "Math Methods"). My side job is teaching an ACT/SAT preparation course.

MY TEACHING STYLE

I believe that students master content over time. I think the longer they are in contact with a concept, the better they will internalize the material. I therefore include a lot of "spiral review" in my lessons whenever possible. I no longer "lecture" my students with notes: as a matter of fact, notes are optional, as I have found that if students just pay attention to a 15-20 minute mini-lesson each day, they are much better engaged with the material and most of the "information" can just be included on the worksheet where they need it.

HONORS/AWARDS/SHINING TEACHER MOMENT

I have been a National Board Certified Teacher since 2002. My first student teacher is now a professor of Education and has served on the board of NCTM. (I can't claim any credit for his accomplishments, as they are his own, but it's fun to tell people about him!)

MY OWN EDUCATIONAL HISTORY

I love to run on the trails near my home in Colorado. I did the 2009 Denver marathon with a time of 4:27:03, which is just a tad over a 10-minute mile pace. I have two children, ages 7 and 10, and currently reside in Colorado. With two dogs, my wife and I are pretty busy!