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rdebro42

Rated 4.71 out of 5, based on 7 reviews
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Singapore
About the store
Teaching Mathematics Internationally since 2003.
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Preview of Math MYP3 (G8) Test and Practice Test w MS- Angles and Polygons

Math MYP3 (G8) Test and Practice Test w MS- Angles and Polygons

Created by
rdebro42
MYP3 Math Test (Grade 8, but could be used for Grade 7 or 9 depending on your curriculum) Tests are leveled to have questions that roughly demonstrate achievement level at 1-2, 3-4, 5-6 and 7-8 bands of Criterion A (MYP). Two tests and solutions are provided. Tests are marked holistically so there isn't a "markscheme" but solutions provide a guide
Preview of Math G7-8 Angles/Polygons Practice (5 activities)

Math G7-8 Angles/Polygons Practice (5 activities)

Created by
rdebro42
Math Angles and Polygons Practice - 5 different practice sheets. - 1 targeting vocabulary only - 2 tasks targeting a variety of angle and polygon practice for an entire unit - 2 tasks targeting finding angles using a variety of parallel angle and shape theorems.
Preview of Wheel of Theodorus Pythagoras Investigation without Justification with Scaffold

Wheel of Theodorus Pythagoras Investigation without Justification with Scaffold

Created by
rdebro42
This is ONE OF a set of scaffolded tasks that enable students to investigate patterns in the Wheel of Theodorus. This provides purposeful practice of Pythagorean theorem. Task 3 - students are given tables to help them organize their work. The task does not ask students to prove or justify the patterns they find. Buy this by itself or in a bundle with other scaffolded tasks. The set of tasks includes solutions!
Preview of Math Build a Home Math Project - Area, Perimeter, Decimal Operations

Math Build a Home Math Project - Area, Perimeter, Decimal Operations

Created by
rdebro42
An integrated mathematics project for elementary or middle school students using skills with perimeter and area and decimal operations. Project is meant to be collaborative with one student as "Architect" and other student as "Accountant". Project can be flexibly adapted in a variety of ways. Zip file includes: Task Sheet with Rubric (MYP crit C and D) Floor plan (blank) - pictured Floor plan with measurements Schedule and Checklist for scaffolding (Word) Tracking Sheet (Word) Budget Organizati
Preview of Wheel of Theodorus Solution Set

Wheel of Theodorus Solution Set

Created by
rdebro42
This is the solutions from a set of scaffolded tasks that enable students to investigate patterns in the Wheel of Theodorus. This provides purposeful practice of Pythagorean theorem. Buy these solutions or the whole set of tasks as a bundle.
Preview of Math Surface Area and Volume Justify Accuracy Tasks

Math Surface Area and Volume Justify Accuracy Tasks

Created by
rdebro42
A deep application task requiring students to justify the degree of accuracy of their results from surface area and volume calculations using error bounds of measurement. 4 different tasks practicing the same skill. Could be used as low as 4th or 5th grade and as high as 10th or even 11th grade depending on your purposes.
Preview of Math Wheel of Theodorus Pythagoras Investigation Set Scaffolded Tasks w Solution

Math Wheel of Theodorus Pythagoras Investigation Set Scaffolded Tasks w Solution

Created by
rdebro42
This is a set of scaffolded tasks that enable students to investigate patterns in the Wheel of Theodorus. This provides purposeful practice of Pythagorean theorem. Task 1 - students have no tables and must organize their work themselves. The task prompts students to prove or justify the patterns they find. Task 2 - students have no tables and must organize their work themselves. The task does not ask students to prove or justify the patterns they find. Task 3 - students are given tables to help
Preview of Wheel of Theodorus Pythagoras Investigation without Justification/Scaffold

Wheel of Theodorus Pythagoras Investigation without Justification/Scaffold

Created by
rdebro42
This is ONE OF a set of scaffolded tasks that enable students to investigate patterns in the Wheel of Theodorus. This provides purposeful practice of Pythagorean theorem. Task 2 - students have no tables and must organize their work themselves. The task does not ask students to prove or justify the patterns they find. Buy this by itself or in a bundle with other scaffolded tasks
Preview of Wheel of Theodorus Pythagoras Investigation with Justification no Scaffold

Wheel of Theodorus Pythagoras Investigation with Justification no Scaffold

Created by
rdebro42
This is a set of scaffolded tasks that enable students to investigate patterns in the Wheel of Theodorus. This provides purposeful practice of Pythagorean theorem. Task 1 - students have no tables and must organize their work themselves. The task prompts students to prove or justify the patterns they find. Buy this by itself or in a bundle with other scaffolded tasks
Preview of Perimeter Area Optimization Investigation

Perimeter Area Optimization Investigation

Created by
rdebro42
Mathematics Investigation to help students determine the method for finding the result of two optimization problems: 1) the maximum area of a rectangle, given a perimeter 2) the minimum perimeter of a rectangle, given an area
Preview of Investigation Maximum Area All 2D Shapes

Investigation Maximum Area All 2D Shapes

Created by
rdebro42
A Mathematics Investigation of maximum possible area of different 2D shapes with a given perimeter. Students can determine the area of each and make a conclusion about which of the shapes will have the highest possible area. Requires trigonometry for the pentagon/hexagon/octagon.
Preview of Helix Spirals Investigation Assessment Task

Helix Spirals Investigation Assessment Task

Created by
rdebro42
An investigation task which challenges students to use their knowledge of the pythagorean theorem to create a general equation for the length of a helix. Potentially could be developed into an assessment task.
Preview of Investigating Optimization of Cylinders (Coca Cola Can Redesign)

Investigating Optimization of Cylinders (Coca Cola Can Redesign)

Created by
rdebro42
A mathematics investigation task that challenges students to find the dimensions of a cylindrical coca cola can with the minimum surface area, given a known volume.
Preview of Math: Planar Transformations Investigation Task with Space for Notes

Math: Planar Transformations Investigation Task with Space for Notes

Created by
rdebro42
This is an in-class investigation to introduce the concept of planar transformations to middle school students
Preview of Investigation Surface Area of Cone and Cylinder

Investigation Surface Area of Cone and Cylinder

Created by
rdebro42
A Mathematics Investigation for developing/finding the formula for the surface area of a cone and the surface area of a cylinder.
Preview of Quadratic Function Representations Inquiry

Quadratic Function Representations Inquiry

Created by
rdebro42
An inquiry activity in context to help students determine the meaning of parameters in vertex form, factored form, and standard form of Quadratic Functions.
Preview of Trigonometry Investigation

Trigonometry Investigation

Created by
rdebro42
A brief investigation of right-angled trigonometry using similar triangles. Students discover ratios for sine cosine and tangent.
Preview of Pythagorean Theorem Proof Inquiry

Pythagorean Theorem Proof Inquiry

Created by
rdebro42
A simple area-based proof of the Pythagorean Theorem students can use to prove it.
Preview of Trigonometry Application Task - Hot Air Balloon

Trigonometry Application Task - Hot Air Balloon

Created by
rdebro42
A task that challenges students to use their trigonometry knowledge to solve a problem in a real life situation.
Preview of Trigonometry WheelChair Ramp Application Task

Trigonometry WheelChair Ramp Application Task

Created by
rdebro42
A task that asks students to apply their knowledge of ratios and trigonometry to a real life situation.
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About the store

Experience

Teaching Mathematics Internationally since 2003.

Teaching style

Concept-based, Inquiry-based

My own education history

M.Ed from University of British Columbia, Canada B.Ed from Queen's University, Canada B.AH from Queen's University, Canada

Additional biographical information

Living and Teaching in Singapore