Curated OER
The Harry Potter Problem
In this Harry Potter worksheet, students read a portion of an inscription from the book. Students use logic to determine the contents of the seven bottles described in the paragraph. This one-page worksheet contains 1 logic...
Curated OER
Proving Quadrilateral Properties
Working backwards can sometimes help you see a path to solving a problem. In this chapter, properites of quadrilaterials are proven by looking at flowcharts and working the probem backwards. Worked through examples are given, along with...
Curated OER
Logic
Pupils solve problems using reasoning techniques, identify the validity or non-validity of problems and use deductive reasoning for problem resolution.
Curated OER
This Man's Father
In this online instructional activity, students solve 1 creative thinking problem, where they determine who a man's father is given specific information. A solution is available.
Education Development Center
Algebraic Habits of Mind
Math really is just one big puzzle waiting to be solved. Show learners that math can be intriguing and provide them with visually engaging problems and puzzles. The focus is on solving simple equations and looking at expressions.
Curated OER
Math Challenge
Young scholars challenge their math knowledge through a series of lessons designed to engage critical thinking and reasoning skills. In these problem solving lessons, students work with the Pythagorean Theorem, time zones in different...
Curated OER
Triangle Sums
Fourth graders determine a way to place numbers in the nine circles that are arranged in a triangular pattern so that each side has an equal sum. They use each number once and practice adding single digit numbers.
Curated OER
Puzzle Boxes
In this addition puzzle worksheet, students complete 4 puzzles in which five numbers are placed so that the sum is a specified number in the down and across directions.
Curated OER
Graphic Scores
You can write some music scores using images rather than musical notation. Kids learn how they can become musical composers by using graphics or images in place of musical notation. An interesting slide-show, but a more interesting...
Curated OER
"The Island of Plenty": Reading Guide
Johnson C. Montgomery’s controversial plea for American social isolationism, “The Island of Plenty,” launches an in-depth study of the structure and logic of the essay. After responding to a series of questions, individuals craft a...
Curated OER
Two Squares are Equal
This problem is sure to get your young mathematicians thinking. The idea sounds simple: one equation, solve it as many ways as you can. This is meant to get at a deeper understanding of solving quadratic equations, including some more...
Curated OER
Multiplication Algorithm (1)
Third graders in a 3rd grade math class make connections from prior instruction and mastery to solve problems in new learning situations. Using logical thinking and prior knowledge to solve current math problems is the focus of this...
Curated OER
Explorers in Kansas
Fourth graders read cards about the explorers: Coronado, Lewis, and Clark, Pike, and Long. In this influential expeditions lesson, 4th graders describe and observe explorers who came to Kansas. Students locate main reasons and details as...
Curated OER
Narrow It Down
Ever played 20 Questions? A similar game helps young learners practice asking and answering yes-or-no questions. Spread out several objects, preferably all similar with slight variations (buttons or coins would work well). A leader...
Reading Through History
The Federalist Papers: Federalist Paper No. 10
James Madison, under the pen name “Publius,” justifies the need for an American Republic in Federalist Paper 10, which is perhaps one of the most influential contributions to the Federalist Papers. Readers examine his perspective with...
Curated OER
What's Your Angle?
Students devise procedures for using a protractor to measure the number of degrees in an angle. They use inductive reasoning skills to construct their own method for effectively using the protractor to measure angles, as well as, make...
Noyce Foundation
The Wheel Shop
Teach solving for unknowns through a problem-solving approach. The grouping of five lessons progresses from finding an unknown through simple reasoning to solving simultaneous equations involving three and four variables. Each lesson...
Noyce Foundation
Cut It Out
Explore the mathematics of the paper snowflake! During the five lessons progressing in complexity from K through 12, pupils use spatial geometry to make predictions. Scholars consider a folded piece of paper with shapes cut out....
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...
Curated OER
Fantastic Fractions
Fourth graders work with fractions using hands on experiences and reasoning skills and use fractions to communicate the idea of a part of a whole.
Curated OER
Pecans
In this calculator activity, students complete a task using pecans. Students complete 4 short answer questions and a "challenge" question using reasoning skills and calculating their responses.
Curated OER
Motivating and Mentoring Introverted Thinkers
A variety of strategies designed to intrigue and motivate introverted classes and students.
Shodor Education Foundation
Algorithm Discovery with Venn Diagrams
Here is a lesson that takes an interesting approach to analyzing data using box and whisker plots. By using an applet that dynamically generates Venn diagrams, the class forms a strategy/algorithm for guessing the rule that fits...
Curated OER
Understanding the Influence of the Media
Critically analyze advertising techniques, such as circular reasoning, bandwagon, testimonial, and repetition, with worksheets that effectively discuss and illustrate how the media aims to influence.