About the store
I've been a high school math educator since 2008, teaching all grades 9 through 12, and all levels from university and college bound to essentials/workplace to special needs learners. My products and ideas have been gilded by the frontlines of my own classroom experience. I'm always looking for an innovative way to teach the subject I love!
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Pie Chart / Circle Graph - Simple Template
Pie graphs can be tricky to make by hand when the sections aren't easy fractions of the pie. This simple template gives a circle marked off with 100 'tick lines' for easy graphing of percentages of the whole pie. A second template using dots is included too. A dot in the centre of the circle is included too, making it easy to use a ruler and draw lines out to the edge.
It's a .docx (Word) file containing two images. Feel free to copy, paste, modify, distribute, embed...
~CalfordMath
If
Not Specific
For All Subjects, Graphing, Math
Function Transformations, GSP Student Investigation + Awesome Worksheets
Watch the preview video! This is a great teaching and learning tool, covering nearly every high school function taught! Students will clearly experience the graphical effect of each algebraic parameter in the transformed equation: f(x) -- > a f[k(x-p)] +q File types: GSP5, and .docx By manipulating the graph dynamically, students will make a strong connection between the graphical and algebraic representations of functions. With easy-to-navigate separate sliders, students can manipulate
9th - 12th
Algebra 2, Graphing
CCSS
HSF-IF.C.7
, HSF-BF.B.3
Quadratic Rich Task - Fencing a Garden
Goal: Model a real life problem with a quadratic relation of the form y=a(x-h)²+k , and use this equation to solve problems.
Problem:
Farmer Bill has 28m of wire fence material to enclose a rectangular garden. He is trying to decide between two possible garden options:
Garden A → in the middle of the yard Garden B → against the barn
Students will create a table of values, a graph, and determine the vertex form equation for each garden, then answer some questions. The product includes two
9th - 11th
Algebra, Applied Math, Graphing
CCSS
HSF-IF.C.7a
, HSF-IF.C.9
Plotting Coordinates Mystery Picture - Coloring Harvest Fun!
Think "connect-the-dots meets colour-by-number" with the motivation of mystery. Students plot lists of ordered pairs (x, y) in 4 coordinates, connecting the points for each list. Sections of the resulting picture will enclose circled numbers so they can colour-by-number, but the colour guide must first be decoded by solving one-step and two-step equations! This is definitely a no-prep activity, great for supply coverage or early finishers! The colours used are all contained in the standard Cr
6th - 10th
Graphing
CCSS
6.NS.C.6
, 6.NS.C.6c
, 8.EE.C.7
Linear Lazer Bazooka.gsp - Understanding y = mx + b dynamically, by CalfordMath
**this is a Geometer's Sketchpad file (.gsp)**
Please make sure you have this software before purchasing.
This interactive game will help students make a strong connection between the slope y-intercept equation for a line and its graph. (Expressing geometric properties with equations.)
Analytic geometry is best grasped dynamically!
This has proved very effective in helping students grasp the graphical effect of a negative, positive, or zero slope value.
Learners are engaged through a video
8th - 10th
Geometry, Graphing, Math
CCSS
8.EE.B.6
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About the store
Experience
I've been a high school math educator since 2008, teaching all grades 9 through 12, and all levels from university and college bound to essentials/workplace to special needs learners. My products and ideas have been gilded by the frontlines of my own classroom experience. I'm always looking for an innovative way to teach the subject I love!
Teaching style
Whenever possible, math should be driven by engaging problems that pull students into the concepts and skills I seek to teach. 'Fruitfully frustrated' is a good place to be :)
I enjoy writing and performing math raps (youtube CalfordMath), integrating Geometer's Sketchpad to bring dynamic understanding, gamifying learning (see my product 'Algebra Tile Factris'), and generally pushing creative limits to make math concepts accessible to my students.
I am aware of students' math stigmas and horror stories. I try to build on their natural math intuitions, sidestepping their perceived inability to 'do math' because they never won a class game of around-the-world with multiplication flash cards in grade 4.
My own education history
Concurrent BSc (honours mathematics) / BEd (intermediate/senior) from Brock University, 2008
Honour Specialist in Mathematics from Queen's University, 2012
Additional Qualification in Computer Studies, 2023
Additional biographical information
I'm an avid recreational chess player. I enjoy music, skateboarding, longboarding, rapping, programming (see my product 'Algebra Tile Factirs' for a computer game example, or my 'Colouring by...' products for an automated worksheet product), and doing math for fun (total geek).
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