Virginia Department of Education
High School Mathematics Geometry Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
California Academy of Science
Building Better Buses: Transportation Design Challenges
Scholars learn about a series of three challenges when they design a bus system for a small town. They determine the bus routes and then figure out the best type of fuel to use before considering the cost of going electric. Learners...
Ohio State University
Exploration Activities with Electrostatic Interactions
Step out of the 21st century and discover protons and electrons through observation. Using common materials, participants continually adjust their explanation of charges. The final assessment requires pupils to design their own...
Curated OER
The Race of Baseball All-Stars
Collect and analyze data. Pupils graph their data and model with it to solve real life problems. They use logic and deductive reasoning to draw conclusions.
Curated OER
Emotion or Reason?
Students use persuasive devices to construct oral or written arguments. In this arguments lesson, students discuss the types of persuasive devices used in arguments and form groups to select a topic to research. Students create a...
Curated OER
Reasonable Answers: English Learners
In this ELL, reasonable answers instructional activity, students answer 6 multiple choice, word problems where they must choose the most reasonable answer from 3 choices. A definition of reasonable is provided.
Curated OER
Little Pigs with Big Problems
First graders solve one problem per day regarding the story of Three Little Pigs. In this math journals lesson plan, 1st graders solve problems on a daily basis using the story of the Three Little Pigs.
Curated OER
Prize Numbers
Students explore what a proof is, how and why mathematicians create them and compose essays on how reason and logic are employed in the workplace. They explore whether any three lines can make a triangle and attempt to verify Goldbach's...
Curated OER
Proof by Induction
In this induction worksheet, students read word problems. They determine the difference between inductive and deductive reasoning. Students solve the given problem through inductive reasoning. This one-page worksheet contains 1...
Curated OER
SMOKING: A RISK WORTH TAKING OR JUST A DRAG?
Students identify and state a tobacco-related decision problem/issue, viable options regarding the selected problem; research and discuss risks and benefits associated with the decision problem; and state a decision based upon rational...
Curated OER
Inequalities and Triangles
Learners 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
All Aboard
In this mathematical reasoning learning exercise, 3rd graders create a catalog page for a toy-train supply store. They list items in order of price (greatest to least amounts). Students are given clues to assist. They answer three...
Curated OER
Delps and Googles
In this mathematical reasoning worksheet, 1st graders are shown shapes named with the nonsense terms of Delps and Googles. They circle shapes with similar characteristics.
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
Jellybeans
In this online math challenge, students determine how many students are in a classroom considering a total number of jellybeans and how many each student received. A solution is available.
Mathematics Vision Project
Geometric Figures
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
Mathematics Vision Project
Module 6: Congruence, Construction, and Proof
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
Noyce Foundation
The Shape of Things
Investigate the attributes of polygons. A thorough set of lessons presents problem scenarios for elementary through high school classes. The first lessons focus on basic characteristics of polygons, including the line of symmetry. As the...
NASA
Connecting Models and Critical Questions
Scholars use data to analyze and determine which sets of information need to be counted. They create a model to explain differences among chemical elements using graphs to prove concept mastery.
National Endowment for the Humanities
Albert Sabin and Bioethics: Testing at the Chillicothe Federal Reformatory
Do the ends justify the means? Getting a drug approved in the US is a long and involved process. But at some point out, it involves testing on humans. The ethics of such testing is the focus of a resource that uses Dr. Albert Sabin's...
Curated OER
Logic and Proof Writing
Students define inductive and deductive reasoning and write two column proofs. In this geometry instructional activity, students analyze arguments and draw conclusion. They define steps necessary to arrive at the correct answer when...
Curated OER
Problem Solving: Reasonable Answers
In this reasonable answers worksheet, students use their logical thinking skills to answer 3 math questions that involve problem solving.
Curated OER
The Economic Way of Thinking - About Everything
Students write their definitions of economics on index cards and revise them as the lesson plan continues. They discuss the principles of economic reasoning and after completing a quiz, use economic reasoning to solve "real life" mysteries.