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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 Colour by Numbers in French - Eiffel Tower (4 Versions, 30-worksheets each)

Colour by Numbers in French - Eiffel Tower (4 Versions, 30-worksheets each)

Created by
CalfordMath
Build proficiency in your students' French number vocabulary with this fun collaborative colouring activity. It is different than other colour-by-number worksheets, since each student's worksheet represents only a small section of the large whole-class mosaic. The collaborative aspect of these worksheets will have THEM policing the homework completion. (Nobody wants to be responsible for the hole in the picture!) Paris and the Eiffel Tower are icons of French, and would certainly enhance you
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 Colouring Einstein by One & Two Step Equations (32 Sheet Mosaic, 3 Versions)

Colouring Einstein by One & Two Step Equations (32 Sheet Mosaic, 3 Versions)

Created by
CalfordMath
Check out the product preview to fully see how this awesome collaborative math mosaic works! 3 Versions are included. (You can mix 'n match worksheets between them to differentiate ability levels) "Calculate, Colour, Cut & Combine!" Your WHOLE class will be engaged in an algebra colouring quest! Every student gets a different set of problems. (goodbye copying!) Each worksheet represents a small piece of the big mosaic. Students solve their one/two step equations problems to decode the co
Preview of Order of Operations, Roaring Lion - Collaborative Math Mosaic (4 Versions!)

Order of Operations, Roaring Lion - Collaborative Math Mosaic (4 Versions!)

Created by
CalfordMath
IT’S SIMPLE! 1. Calculate the answers. 2. Colour the squares. 3. Cut out your section. 4. Combine with the class! Students are each responsible to complete one section of the mystery mosaic (Roar!). The mosaic consists of 30 sections. Students must apply the rules of BEDMAS to correctly evaluate each order of operations problem (12 problems per worksheet), and then use their answers to colour-by-number. Every single worksheet is different! Students can't copy, but they can help each othe
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 Colouring by Two Step Linear Equations - Mrs Spider (6 and 24 Sheet Versions)

Colouring by Two Step Linear Equations - Mrs Spider (6 and 24 Sheet Versions)

Created by
CalfordMath
Check out the product preview to fully see how this awesome collaborative math mosaic works! "Calculate, Colour, Cut & Combine!" Your WHOLE class will be ENGAGED in an algebra colouring quest! Every student gets a different worksheet representing a small piece of the bigger picture. Students complete the math problems, colouring each square according the answer. When the work is done, the coloured sheets are put together to reveal the large pixel image of Mrs. Spider. Also check out Mr. Spide
Preview of Colouring by Money Amounts, Olympic Ring Mosaic (24 Sheets)

Colouring by Money Amounts, Olympic Ring Mosaic (24 Sheets)

Created by
CalfordMath
"Count, Colour, Cut & Combine!" Your WHOLE class will be ENGAGED in a coin counting colouring quest! Every student gets a different worksheet representing a small piece of the bigger picture. Students tally the total for each money amount shown (between $0.05 and $0.99) then use their answers to colour-by-number their section of the mystery mosaic. When the work is done, the coloured sheets are put together to reveal the large pixel Olympic Rings image. It will look great hanging up in the
Preview of Colouring by One Step Equations (Positive Integers), Honey Bee (30 Sheet Mosaic)

Colouring by One Step Equations (Positive Integers), Honey Bee (30 Sheet Mosaic)

Created by
CalfordMath
"Calculate, Colour, Cut & Collaborate!" Engage the WHOLE class in an algebra colouring quest! Every student gets a different worksheet representing a small piece of the bigger picture. Students complete the math problems, then use their answers to colour-by-number, When the work is done, the coloured sheets are put together to reveal a large pixel image of the "Save the Bees" honey bee! INCLUDED.pdf and editable .docx versionClass set of 30 unique worksheets (every one has different problems!
Preview of Santa & Reindeer Fraction Operations, Digital Google Mosaic (20- & 30-Students)

Santa & Reindeer Fraction Operations, Digital Google Mosaic (20- & 30-Students)

Created by
CalfordMath
Bring your class together this holiday season whether they're near or far! You may teach a fraction of your students virtually and the rest in person, but you can engage your class as whole with this collaborative, digital, and fun fractions activity! Watch the walk-through video!!◾ Get ALL my Christmas themed mosaics in one bundle for huge savings!Accountability meets collaboration for a highly motivating task! Students independently complete their set of 12 fractions problems (each set i
Preview of Colouring by Money Amounts, Canadian & US Currency Versions (24 Sheet Mosaics)

Colouring by Money Amounts, Canadian & US Currency Versions (24 Sheet Mosaics)

Created by
CalfordMath
Check out the product preview to fully see how these awesome collaborative math mosaics works! "Count, Colour, Cut & Combine!" Your WHOLE class will be ENGAGED in an currency counting colouring quest! Every student gets a different worksheet representing a small piece of the bigger picture. Students tally the total for each money amount shown, then use their answers to colour-by-number their section of the pixel mystery mosaic. When the work is done, the coloured sheets are put together to
Preview of Multi-Digit Number Operations - Einstein, Collaborative Mosaic (multiple sizes)

Multi-Digit Number Operations - Einstein, Collaborative Mosaic (multiple sizes)

Created by
CalfordMath
This is a great way to engage the whole class as your students practice their addition, subtraction, multiplication, and division of multi-digit whole numbers. What will the mystery mosaic be? They'll each need to do their part to reach the collaborative goal. Students each solve their individual 12 problems then use their answers to colour-by-number their section of the big mosaic. Every student has a different set of problems, so no copying is possible. Every student's worksheet is needed to
Preview of Colouring by Integers (Add & Subtract), Rosa Parks 30-Sheet Collaborative Mosaic

Colouring by Integers (Add & Subtract), Rosa Parks 30-Sheet Collaborative Mosaic

Created by
CalfordMath
Harness the motivating power of collaboration while maintaining individual accountability! Every student’s worksheet is different! Two versions (both 30 sheet mosaics) are included: 100-question-per-worksheet version, and a quicker 12-question colour-by-number style version. You can mix worksheets from both versions, as the colouring grids are the same size. Students use their answers to colour their section of the larger whole-class mosaic! The end result looks great on your wall, and your s
Preview of Colouring by One Step Linear Equations - Black Spider (6 and 24 Sheet Versions)

Colouring by One Step Linear Equations - Black Spider (6 and 24 Sheet Versions)

Created by
CalfordMath
Check out the product preview to fully see how this awesome collaborative math mosaic works! "Calculate, Colour, Cut & Combine!" Your WHOLE class will be engaged in an algebra colouring quest! Also check out Mrs. Spider for some Two-Step equation fun!Or, get the happy spider couple BUNDLEDFor a DIGITAL multistep linear equation product, check out the new Mr & Mrs Spider Google Sheets Mosaic Battle! (here's a walk-through video to see what it looks like)Every student gets a different worksheet
Preview of Fraction Operations Turkey, Digital Google Mosaic (18- & 30-Sheet, 5 Versions)

Fraction Operations Turkey, Digital Google Mosaic (18- & 30-Sheet, 5 Versions)

Created by
CalfordMath
Bring your class together this Fall season whether they're near or far! You may teach a fraction of your students virtually and the rest in person, but you can engage your class as whole with this collaborative, digital, and fun fractions activity! Watch the walk-through video!!Accountability meets collaboration for a highly motivating task! Students independently complete their set of 12 fractions problems (each set is distinct), while collectively unveiling the mystery mosaic! Two class-
Preview of Colouring by Percentage - Part, Whole, Percent - "Happy Turtle" (30 worksheets)

Colouring by Percentage - Part, Whole, Percent - "Happy Turtle" (30 worksheets)

Created by
CalfordMath
Each worksheet represents a small section of the big picture! The end result will look spectacular hanging up in your classroom :) And every worksheet has different problems allowing students to help each other without copying. CHECK OUT THE PRODUCT PREVIEW to see the range of problem types and know exactly what these worksheets involve! Two versions are included: "Part, Whole, Percent" and "Just Percent" to allow for differentiation. You can combine sheets from both versions to create one m
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 Coloring by Fractions - Donald Trump vs Hillary Clinton (Two 20-Sheet Mosaics)

Coloring by Fractions - Donald Trump vs Hillary Clinton (Two 20-Sheet Mosaics)

Created by
CalfordMath
A highly engaging way for your students to practice their fraction operations! Your students will each work independently on their own unique worksheet, then combine their work to create the Trump or Clinton (you get both 20-sheet mosaics!). Individual accountability is ensured, while collaborative motivation provides a powerful push to complete the work! INCLUDED: ◾Editable .docx, and .pdf files of everything ◾Two 20-Sheet class sets (Trump and Clinton) ◾Each sheet contains 12 fraction prob
Preview of Fractions of the Earth, Collaborative Math Mosaic (2 Versions, 25 Sheet Mosaics)

Fractions of the Earth, Collaborative Math Mosaic (2 Versions, 25 Sheet Mosaics)

Created by
CalfordMath
A highly engaging way for your students to practice their fraction operations! Your students will each work independently on their own unique worksheet, then combine their work to create the Earth mosaic! Individual accountability is ensured, while collaborative motivation provides a powerful push to complete the work! INCLUDED: ◾Editable .docx and .pdf files of everything ◾Two 25-Sheet class sets (regular and light versions) ◾Regular version contains 36 fraction problems per worksheet, with
Preview of Colouring by Mixed Integer Operations (+ - × ÷) Two 24-Sheet Mosaics

Colouring by Mixed Integer Operations (+ - × ÷) Two 24-Sheet Mosaics

Created by
CalfordMath
Students are each responsible to complete one section of the mystery mosaic. They must solve the integer problems (12 per worksheet... 3 of each operation), and then use their answers to colour-by-number. The collaborative goal and mystery image will motivate them to work! Every worksheet contains a different problem set, so they can help each other but cannot copy. IT’S SIMPLE! 1. Calculate the answers. 2. Colour the squares. 3. Cut out your section. 4. Combine with the class! INCLUDED:◾ B
Preview of Order of Operations, Lion - Google Sheets Mosaic (Multiple Sizes and Versions!)

Order of Operations, Lion - Google Sheets Mosaic (Multiple Sizes and Versions!)

Created by
CalfordMath
Bring your class together whether they're near or far! You can engage your whole class with this collaborative and fun activity while they learn from home, or together at school! What will the mystery mosaic be? Students apply BEDMAS (a.k.a PEDMAS / Order of Operations) to find out! Watch the walk-through video!! Toggle between 4 problem sets to suit your needs!Basic (no division, exponents, or negative #’s)No exponents or negative #’s, but includes divisionAll operations, but no negative #’
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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).