Curated OER
Quadrilateral Investigation
A good classroom tool is always great to have around. This tool provides learners with an opportunity to view and investigate the properties of quadrilaterals. Each slide contains images of a square as it is dissected into various...
Curated OER
Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
Curated OER
Probability and Statistics
Learners reason mathematically as they solve problems dealing with probability of an even occurring. In this probability lesson, students differentiate between different rankings of candidates running for leadership. They identify...
Curated OER
Number and Operations- Using Gift Certificates
Students apply number and operation skills to learn how to spend a gift certificate. In this mathematical reasoning lesson, students use base 10 blocks as money and calculate how much money they have.
Curated OER
Mathematical Magazines
Students use ads from magazines to create data to be measured and apply the skill of estimation. They record the percentage of magazine ads that could be separated into different categories made by students through the use of logical...
Curated OER
Not Everything Is More Expensive
High schoolers investigate the concept of using different types of presentations to help solve mathematical problems. They research the use of illustrations to help understand data and its interpretation in a graphing format. Students...
Maths Challenge
Maths challenge.net: Right Angle Reasoning
A geometry problem for students to use their mathematical reasoning skills to explain a right triangle property.
Maths Challenge
Maths challenge.net: Painted Faces
Mathchallenge offers this mathematical reasoning problem, a one star problem requiring nothing more than a logical mind and paper and pencil, to deduct the painted faces problem
![E workshop.on.ca: Effective Instruction in Math, 4 6: Big Ideas [Pdf] Professional Doc](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "E workshop.on.ca: Effective Instruction in Math, 4 6: Big Ideas [Pdf] Professional Doc")
Queen's Printer for Ontario
E workshop.on.ca: Effective Instruction in Math, 4 6: Big Ideas [Pdf]
Volume 1 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for explaining five big ideas of number sense and numeration to students in grades 4 through 6: quantity, operational...
Writing Fix
Writing Fix: Argue Better Than a Pigeon
In this lesson, the book Don't Let the Pigeon Drive the Bus! by Mo Willems is used as a mentor text. Students will learn how to evaluate the validity of a mathematical argument. Students will practice writing and revising their own...
McGraw Hill
Glencoe Mathematics: Self Check Quiz on Reasoning & Proof
The online assessment demonstrates knowledge of concepts utilized in Geometry. The multiple choice questions test students on mathematical reasoning and proof.
Math Slice
Math Slice: Bricks 21 Game
To win this strategic game you must lay the 21st brick. That is what makes this interactive game challenging. Play against the computer or a partner. Winners will have their names posted for the day.
Cuemath
Cuemath: Conditional Statement
A comprehensive guide for learning all about conditional statements with definitions, how to create them, solved examples, and practice questions.
Maths Challenge
Maths challenge.net: Kitchen Floor
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to solve how many tiles are needed to complete the kitchen floor pattern.
Maths Challenge
Maths challenge.net: Beam of Light
A "one star" geometry problem that requires finding the visual pattern and applying and pattern extensions to solve the beam of light problem.
Maths Challenge
Maths challenge.net: False Ceilings
A "one star" geometry problem that requires finding the visual pattern and applying and pattern extensions to solve the false ceiling problem.
Maths Challenge
Maths challenge.net: Counting Triangles
A "one star" geometry problem that requires finding the visual pattern and applying logic with pattern recognition to solve this number of triangles problem.
Maths Challenge
Maths challenge.net: Shaded Grid
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find the patterns.
Maths Challenge
Maths challenge.net: Shading Pattern
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to solve.
Maths Challenge
Maths challenge.net: Perimeter Sequence
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find the perimeter from the sequence.
Maths Challenge
Maths challenge.net: Counting Triangles Again
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find triangles in a pattern.
Maths Challenge
Maths challenge.net: Pathed Pathways
A "one star" geometry problem that requires visualizing to find how many different patterns can be made.