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Curated OER
Today is Monday - Calendar Math
Students practice memorizing the seven days of the week and keeping them in order. For this calendar lesson, students read aloud the book Today is Monday by Eric Carle, and create their own calendar style book using...
American Statistical Association
Happy Birthday to . . . Two?
How many people do you need in a room before two likely share the same birthday? Scholars consider this puzzle by analyzing a set of data. They ponder how to divide the data and determine the proper size of a group for this event to...
Bowland
Hilbre Island
Young travelers plan a trip to Hilbre Island based on constraints on tides and time. They use a timeline to help determine the optimal day/time to make the trip.
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.
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Inductive and Deductive Reasoning
Students use logical arguments and inductive reasoning to make or disprove conjectures. After observing a teacher led demonstration, students discover that the deductive process narrows facts to a few possible conclusions. In groups,...
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Matrices: A Secret Weapon
Students perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
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Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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Plugging Into The Best Price
Examine data and graph solutions on a coordinate plane with this algebra lesson. Young problem-solvers identify the effect of the slope on the steepness of the line. They use the TI to graph and analyze linear equations.
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...
Illustrative Mathematics
Zeroes and factorization of a quadratic polynomial I
This activity uses the division algorithm and the definition of a zero/root of a function to guide your class to see the relationship between zeros and factors of a general quadratic, which can later be generalized to the Remainder...
Curated OER
Critical Thinking - Week 11
In this critical thinking worksheet, students complete problems which require abstract reasoning and logic. They complete logic puzzles involving sums of an array, finding the maximum number of integers under given conditions, and card...
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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.
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This Man's Father
In this online learning exercise, students solve 1 creative thinking problem, where they determine who a man's father is given specific information. A solution is available.
Curated OER
Ant, Bat, Cat
In this secondary mathematics worksheet, high schoolers determine the solution to a riddle involving an ant, a bat, and a cat and given three statements students must determine which statement is true. The one page worksheet...
Curated OER
Six Write the Converse Statement Problems
In this converse learning exercise, students write the converse statements for six given statements. The solutions are not provided.
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Four Always, Sometimes, or Never Venn Diagram Problems
In this Venn Diagram worksheet, learners fill in the blanks with always, sometimes, or never by reading the Venn diagrams. The variables used in the Venn Diagrams are clearly defined.
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Logic Plus Math Equals Critical Thinking
Logic problems can be an integral part of the school day.
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Time Problems
High schoolers make sensible estimates and check for reasonable results. They also solve problems with positive and negative integers using practical activities or models as needed.
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Animal Jr. Christmas Worksheet
In this Christmas animal math worksheet, learners solve 36 single and double-digit addition problems and then follow the coloring key and color in each sum a different color.
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Tennis Playing Family
In this secondary mathematics worksheet, students use logical thinking to solve a verbal problems in which they determine who is the worst tennis player in a family. The one page worksheet contains one problem with the solution.
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Let the Sun Shine In: Energy Conservation
Students create a project applying their math skills as they discuss energy conservation. In this geometry lesson, students define vocabulary relating to the environment and energy conservation. They construct a building that allow lots...
Curated OER
Geometry Practice: Contrapositive
In this contrapositive worksheet, students solve 6 multiple choice and short answer problems. Students write the contrapositive of a conditional statement.
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First and Then
In this Christmas problem solving worksheet, students solve 7 mathematical problems by first doing the work in parentheses and then solving each problem.
Curated OER
Rolling Marbles
Students develop and use problem solving strategies to mathematically solve a word problem involving marbles. They solve the first part of the problem together as a class, and in small groups solve and write a solution for the problem...