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CalfordMath

Rated 4.93 out of 5, based on 1124 reviews
1,193 Followers
St. Catharines, Ontario, Canada
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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Preview of Multiply Kindness! Collaborative Multiplication Pink Shirt Mosaic (6 Versions!)

Multiply Kindness! Collaborative Multiplication Pink Shirt Mosaic (6 Versions!)

Created by
CalfordMath
Let kindness multiply in your classroom as your students collaborate to create a large Pink Shirt Mosaic!Harness the motivating power of collaboration while maintaining individual accountability! Every student’s worksheet is different, so no one can copy yet students can help each other—a great way to build a positive math culture in your classroom! View the product preview to see a sample worksheet from each of the six versions included. How does this work? "Calculate + Colour + Cut + Combi
Preview of Color by Addition, Collaborative Flamingo Magic Mosaic! (36 Sheets, 4 Versions)

Color by Addition, Collaborative Flamingo Magic Mosaic! (36 Sheets, 4 Versions)

Created by
CalfordMath
Have SUM fun with addition!Harness the motivating power of collaboration while maintaining individual accountability! Every student’s worksheet is different! View the product preview to see a sample worksheet from each of the four versions included. How does this work? "Calculate + Colour + Cut + Combine!"Students each receive a 6-by-6 grid of addition problems. They use their answers to colour-by-number the squares. The grids are cut out and combined to collectively form a large whole-clas
Preview of Collaborative Basic Math Mosaic, St. Patricks Day (Add & Subtract up to 20)

Collaborative Basic Math Mosaic, St. Patricks Day (Add & Subtract up to 20)

Created by
CalfordMath
I usually stick to high school topics, since this is what I teach, but I created a basic math mosaic for my own 5-year-old, and after seeing how motivated and engaged he was, I decided to make a collaborative colouring task for beginners too! I think this falls under the grade 1 curriculum (add and subtract numbers up to 20). 3 VERSIONS INCLUDED! (.pdf and .docx) All versions consist of 25 unique worksheets: ◾ Just Addition ◾ Just Subtraction ◾ Mixed Addition and Subtraction CHECK OUT THE PR
Preview of Collaborative Basic Math Mosaic, Horse (2 versions, 20 Sheets Each)

Collaborative Basic Math Mosaic, Horse (2 versions, 20 Sheets Each)

Created by
CalfordMath
2 VERSIONS INCLUDED! (both come in .pdf and editable .docx format) Each mosaic consists of 20 unique worksheets: ◾ Version 1: Just Addition & Subtraction of positive values under 20 ◾ Version 2: Some multiplication problems in the mix, all of which involve 2, 5 or 10 multiplied by a single digit number. CHECK OUT THE PRODUCT PREVIEW to see a sample of each version! Students solve the problems inside the squares, then colour the square according to the answer. Their sheets combine to create
Preview of Colouring by Addition, Einstein Collaborative Math Mosaic (3 Versions)

Colouring by Addition, Einstein Collaborative Math Mosaic (3 Versions)

Created by
CalfordMath
Have SUM fun with addition! Harness the motivating power of collaboration while maintaining individual accountability! Every student’s worksheet is different! Students use their answers to colour-by-number their section of the larger whole-class mosaic! The end result looks great on your wall, and your students will be proud! IT’S SIMPLE! 1. Calculate the answers. 2. Colour the squares. 3. Cut out your section. 4. Combine with the class! INCLUDED: ◾ Both.pdf and editable .docx format
Preview of Color by Subtraction, Collaborative Monkey Magic Mosaic! (16 Sheets, 3 Versions)

Color by Subtraction, Collaborative Monkey Magic Mosaic! (16 Sheets, 3 Versions)

Created by
CalfordMath
Great worksheets make a DIFFERENCE!Harness the motivating power of collaboration while maintaining individual accountability! Every student’s worksheet is different! View the product preview to see a sample worksheet from each of the three versions included. How does this work? "Calculate + Colour + Cut + Combine!"The mosaic consists of 16 sections (4 by 4). Students each receive a 5-by-5 grid of subtraction problems. They use their answers to colour-by-number the squares. The grids are cu
Preview of Colouring by Addition, 4-Sheet Easter Egg Mosaic (Sums to 10 and 20 Versions)

Colouring by Addition, 4-Sheet Easter Egg Mosaic (Sums to 10 and 20 Versions)

Created by
CalfordMath
Have SUM fun with addition!Great for small groups or keen early finishers! Each worksheet is different, containing 63 addition facts with answers between 0 and 20. Students colour the squares of their grid based on the answers, then combine their work to form the Easter egg mosaic! The end result looks great on your wall, and your students will be proud! *update: I included a second version with sums only up to 10 IT’S SIMPLE! 1. Calculate the answers. 2. Colour the squares. 3. Cut out you
Preview of Colouring by Addition (up to 10), Super Dad

Colouring by Addition (up to 10), Super Dad

Created by
CalfordMath
Enjoy this freebie! Help your students make something they'll be proud to give Dad this Father's Day! ~CalfordMath If you want to say thank you in a monetary way, my Gratuity for a Freebie allows you to leave $2 tip. If you like this product, be sure the check out the whole "Colouring by..." series, sorted by topic. I mainly create middle & high school materials, but I'm expanding to elementary. Shoot me your suggestions for math topics!
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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).