Curated OER
Inequalities and Triangles
Students prove and apply theorems of triangle inequality and hinge theorem. For this geometry lesson, students will discuss which triangle is bigger and why. They will use theorems, such as Exterior Angle Inequality or the Pythagorean...
Curated OER
Travel Problems
This instructional activity is actually an entire chapter focused on math problems involving, shortest path, minimum connector, traveling salesman, and Chinese postman problems. There are multiple activities, exercises, and examples to...
Curated OER
Nutty for Nutrition
Learners create a PowerPoint presentation detailing daily intake of nutrients. In this nutty for nutrition lesson, groups of students conduct Internet research to determine what type of nutrients should be consumed on a daily basis. ...
Curated OER
Fill It Up
In this filling in a chart worksheet, 3rd graders write a specific number in 15 boxes that fits the rule for each column and row. Students can use any number only once.
Curated OER
Smart Shopping
In this exact change worksheet, 3rd graders look over a price list and circle each item that Danielle can buy with 3 quarters, 2 dimes, a nickel and a penny. Students find five groups of items that Danielle can buy together with the...
Curated OER
Sum Machine!
In this addition worksheet, 2nd graders find the sum of 14 addition math problems involving three-digit whole numbers. Students write 1 original addition problem that can be solved.
Curated OER
Story Time
In this number sentences worksheet, 2nd graders look at 4 number sentences and tell a story about each one. Students draw a picture about each of their stories.
Curated OER
Find the Fake
In this division problems worksheet, 3rd graders look at 7 rows of division problems and determine which one of the four on each row does not belong with the other three. Students circle their answers.
Curated OER
Round The Track
Fourth graders develop problem solving skills while learning to measure an athletic track. The focus upon logic and reasoning is helpful for all types of science and math calculations.
Curated OER
Richard's Dice
Students problem solve logic problems. They complete a worksheet using dice as a manipulative. They decide on a problem solving strategy, solve the problem, and write up the solution.
Curated OER
Circulatory Systems
A slideshow that covers the all-important details related to basic human circulation. The reasoning for exchange of material methods is presented and then labeled diagrams of the main human transfer systems are shown, along with...
Prestwick House
Writing Arguments in Response to Nonfiction
Emotional appeal or argument? That is the question. An informative lesson helps your class recognize the difference between a logical argument and an emotional appeal and learn how to craft an argumentative response. Writers develop a...
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...
Illustrative Mathematics
Points equidistant from two points in the plane
Young geometers apply their deductive reasoning skills and knowledge of proving triangles congruent in a task that asks them to prove if a point lies on the perpendicular bisector of a segment, then it is equidistant from the endpoints...
Curated OER
Science NetLinks: Hollywood Dinosaurs
Students use relevant evidence and logical reasoning to construct theories for dinosaur behavior. They examine recent evidence that challenges a prevailing dinosaur theory.
Learn NC
A Christmas Carol Chronology
Which comes first? The Ghost of Christmas Past, Present, or Future? What clues can readers use to establish the chronology of A Christmas Carol? The tale of Ebenezer Scrooge, Marley, and Tiny Tim provides the text for an activity that...
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.
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...
Curated OER
Sentence Completion 7: High-Intermediate Level
Need another sentence completion worksheet? The great thing about this one is the extensive answer/explanation key that accompanies the exercise. The key pinpoints the clues, strategies, and logic used to determine the...
Illustrative Mathematics
Seven to the What?!?
Sometimes what seems like the easiest problem is really the most difficult. Your class is first going to reach for their calculators, but will realize the number is too large to evaluate. Now what? This is where the fun and the...
Illustrative Mathematics
Similar Triangles
Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...
ConnectED
Crime Scene Investigation
How exactly does a crime scene investigation work? The resource, a unit on criminology, covers everything from the deductive reasoning skills needed for detectives to DNA fingerprinting, all the way to how to gather evidence and bring...
Reading Worksheets
Inferences Worksheet 8
Lead your class toward mastery of making inferences with a straightforward worksheet. Pupils read four short passages and make inferences based on the questions asked about each passage. They explain their reasoning for each...
Curated OER
Solving Problems
High schoolers, in groups, use logic and mathematical reasoning to solve given problems. Afterwards, they summarize strategies used to solve the problem and discuss a variety of ways to solve the situation. Individually, students...