Assessment
Inside Mathematics

Quadrilaterals

For Teachers 9th - 12th Standards
What figure is formed by connecting the midpoints of the sides of a quadrilateral? The geometry assessment task has class members work through the process of determining the figure inscribed in a quadrilateral. Pupils use geometric...
Assessment
Inside Mathematics

Suzi's Company

For Teachers 9th - 12th Standards
The mean might not always be the best representation of the average. The assessment task has individuals determine the measures of center for the salaries of a company. They determine which of the three would be the best representation...
Assessment
Inside Mathematics

Archery

For Teachers 9th - 12th Standards
Put the better archer in a box. The performance task has pupils compare the performance of two archers using box-and-whisker plots. The resource includes sample responses that are useful in comparing individuals' work to others.
Assessment
Inside Mathematics

Rhombuses

For Teachers 9th - 12th Standards
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...
Lesson Plan
Curated OER

The Labyrinth

For Teachers 9th - 12th
High schoolers analyze a basic logic maze based on the Greek myth about Theseus and the Minotaur. Through simulation they determine a winning strategy. At the conclusion of the activity, they design their own mazes for each other to...
Lesson Plan
Curated OER

Who Gave It to You?

For Teachers 9th - 12th
Pupils use logic to locate the primary cases, the people who started the spread of the disease through the population. They graph the data of the number of people infected over time (exchanges) and determine an equation that best fits...
Assessment
Inside Mathematics

Number Towers

For Teachers 9th - 12th Standards
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
Lesson Plan
EngageNY

Patterns in Scatter Plots

For Teachers 8th Standards
Class members investigate relationships between two variables in the seventh installment of a 16-part module that teaches scholars how to find and describe patterns in scatter plots. Young mathematicians consider linear/nonlinear...
Assessment
Noyce Foundation

Counters

For Teachers 6th - 7th Standards
For some, probability is a losing proposition. The assessment item requires an understanding of fraction operations, probability, and fair games. Pupils determine the fractional portions of an event. They continue to determine whether...
Lesson Plan
Curated OER

Leaf Patterns

For Teachers 1st
First graders explore the existence of patterns in everyday items. In this science and math integrated lesson, 1st graders match leaves with a name word card and organize them into four patterns. This lesson includes a reading of And the...
Lesson Plan
Curated OER

Roman Bernardo: Solving Linear Equations

For Teachers 7th - 9th Standards
Mathematicians use an inquiry method to solve linear equations. In this linear equations instructional activity, students practice solving equations using addition, subtraction, multiplication and division. They solve multi-step...
Lesson Plan
Curated OER

Solving a Simple Maze

For Teachers 7th - 12th Standards
It is a-maze-ing how lost one can get. Teams reconstruct a simple maze and solve it. Participants create an algorithm that a robot would follow in order to solve the maze as well. The activity includes an extension directing pupils to...
Worksheet
Curated OER

Symbolic Logic

For Students 8th - 12th
In this symbols worksheet, students work with variables instead of numbers to solve less than, greater than, and chart problems. Students complete 3 problems total.
Lesson Plan
Curated OER

Inequalities and Triangles

For Teachers 9th - 10th
Students prove and apply theorems of triangle inequality and hinge theorem. In this geometry lesson plan, students will discuss which triangle is bigger and why. They will use theorems, such as Exterior Angle Inequality or the...
Worksheet
Curated OER

The Monopoly Game

For Students 9th - 11th
In this monopoly activity, students examine clues describing plays in a monopoly game.  Students collect the clues and determine the rank, in order, of the game results.  This one-page activity contains 1 multi-step...
Worksheet
Curated OER

Elvis Presley Number Puzzle

For Students 9th - Higher Ed
In this Elvis Presley worksheet, students first determine four numbers form clues about Elvis' life.  Next the students use those four numbers to correctly determine nine numbers in a square. Hints as well as a full solution are...
Worksheet
Curated OER

Travel Problems

For Students 9th
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...
Lesson Plan
Curated OER

Rooster's Off To See the World Number-Sense

For Teachers 1st - 2nd
Students recognize how numbers are used in number stories.  In this Rooster's Off To See the World lesson plan, students participate in the story. Students complete a number activity and work on the computer to illustrate a number...
Activity
Illustrative Mathematics

Use Cavalieri’s Principle to Compare Aquarium Volumes

For Teachers 9th - 10th Standards
Learners are designing a stunning new water feature for an aquarium, but they soon discover that more than just a pretty home for their fishy friends is required.  From calculating the volume of a composite shape through the...
Organizer
Curated OER

Planning Pens for the Petting Zoo

For Students 3rd
In this planning pens for the petting zoo worksheet, 3rd graders follow directions to solve the logic puzzle about placing letters on a grid to represent animal pens.
Worksheet
Curated OER

Worksheet 6

For Students 6th - 8th
In this math activity, students find the solution to the problems using the story of the Tortoise and The Hare. They solve the problem by checking the logic of the reasoning that the tortoise would win the race.
Worksheet
Curated OER

Discussion Sheet 7

For Students 11th - Higher Ed
In this math worksheet, students examine the sequences and determine if there is convergence or divergence present. They also apply the logic to the word problems.
Worksheet
Curated OER

Before, After, Between

For Students K - 1st
In this logical reasoning worksheet, students view 3 rows of pictures that show children in action. They follow directions that are listed at the bottom of the page to show before, after, and between.
Worksheet
Curated OER

Compare Weight

For Students 2nd - 4th
In this comparing weight word problem worksheet, students use logical reasoning to determine which objects are heavier or heaviest. Students solve six problems.

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