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Interactive
Curated OER

Using Logical Reasoning

For Students 10th
In this geometry worksheet, 10th graders analyze and solve logic puzzles.  The one page interactive worksheet contains five multiple choice questions, provides a hint, and is self checking.
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Interactive
Royal Society of Chemistry

Shapes of Molecules—Distortion from the Pure Geometry

For Students 6th - 12th
Ready to introduce the realities of molecular geometry to chemistry pupils? Use a logic-based interactive! Perfect as individual practice, the puzzles explore the bond angles and repulsions present in three common molecular shapes.
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Interactive
Royal Society of Chemistry

Shapes of Molecules—Geometry of Central Atom

For Students 6th - 12th
How is a molecule's shape determined? Explore bond angles, lone pairs, and VSEPR theory through a logic-based activity. Chemists pull together information about the major molecular shapes, then use it to solve puzzles.
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Worksheet
Curated OER

Logic Puzzle: Who Teaches What?

For Students 8th - 10th
In this logic puzzle, students determine who teaches what using 14 clues.  The answers are listed at the bottom of the page.
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Interactive
Royal Society of Chemistry

Shapes of Molecules—Hybrid Orbitals

For Students 6th - 12th
Take your chemistry class' knowledge of molecular geometry to the next level! Introduce orbital hybridization with a series of related games. Individuals complete a data table in the first activity, then solve Sudoku-like puzzles using...
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Interactive
Royal Society of Chemistry

Electronegativity Values

For Students 6th - 12th Standards
Finally, an electronegativity resource your class will be strangely drawn to! Skilled scientists manipulate interactive puzzles to gain an understanding of common electronegativity values. The great thing? You can conduct the lesson...
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Worksheet
Curated OER

Challenge: Skills and Applications Lesson 2.3

For Students 10th
In this geometry worksheet, 10th graders solve logic puzzles.  The one page worksheet contains three questions.  Answers are not included. 
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Interactive
Curated OER

More Trees in a Row

For Students 6th
In this more trees in a row instructional activity, 6th graders review one similar puzzle then solve a new one about planting 10 tress in 4 rows of 5.
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Assessment
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Mathematics Assessment Project

College and Career Readiness Mathematics Test B2

For Students 9th - 12th
Use a nine-page evaluation to cover material from algebra, geometry, and algebra II. It incorporates short answer, applied reasoning, and conversion problems. 
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Interactive
Royal Society of Chemistry

Complex Ion Shapes

For Students 6th - 12th Standards
Things are really shaping up! Provide young chemists with polyatomic ion practice using an interesting interactive. Individuals complete puzzles focused on molecular geometry and complex ions.
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Worksheet
Curated OER

Sudorku

For Students 9th - 12th
In this sudoku puzzle worksheet, students evaluate 28 expressions with answers resulting in values of 1-9.  Students solve the sudoku puzzle by filling in the missing numbers.
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Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
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...
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Worksheet
Curated OER

Santa's Pack Held Thirty Toys

For Students 10th
In this geometry worksheet, 10th graders use the given clues to determine which of Santa’s elves dressed in which color and made which toy.  The one page worksheet contains one problem with twenty-four clues.  Answer provided. 
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Lesson Plan
Curated OER

Four Color Map

For Teachers 3rd - 7th
Students explore geometry by completing a color puzzle. In this shape identification lesson plan, students utilize deductive reasoning to complete a Google SketchUp puzzle with trapezoid, triangles and rectangular shapes. Students...
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Lesson Plan
Curated OER

U Boat Hunt

For Teachers 10th - 12th
Students recognize patterns and sequences in numbers. For this geometry lesson, students create rules to define the sequences and patterns they obsere. They translate coded messages as they dicuss navigational terms.
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Lesson Plan
Curated OER

Tantalizing Tangrams

For Teachers 4th - 5th
Learners create puzzles of animals based on the 12-animals cycle of the Lunar Calendar. They use logical or spatial relationship skills. Students comprehend the mathematical term geometry. They research the history, beliefs of the...
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Lesson Plan
Curated OER

The Very Hungry Caterpillar - Teaching Shapes

For Teachers 1st - 2nd
Students identify two- and three-dimensional figures and associate them with real-world objects.  In this geometry lesson, students are read The Very Hungry Caterpillar by Eric Carle and complete several activities including a chart of...
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Lesson Plan
Curated OER

Proving Quadrilateral Properties

For Teachers 9th - 11th
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...
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Lesson Plan
Curated OER

The Fourth Quadrant of Proportiona

For Teachers 4th - 5th
Students experiment with scale to solve a problem presented in a video clip. They determine the correct size to use when constructing a model and evaluate the use of proportions in real life applications.
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Lesson Plan
Curated OER

Your Body's Building Blocks

For Teachers 10th - 12th
Students study the elements of the Periodic Table as they relate to the building blocks of the body. They experiment to measure the amount of iron in the body.

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