Worksheet
Curated OER

Number Puzzles

For Students 1st - 2nd Standards
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
Worksheet
Curated OER

Product Puzzle

For Students 2nd - 4th
Make multiplication facts a little more fun using a crossword puzzle! Learners solve twenty-eight problems and fill in the puzzle as they go. The advantage is that they know if they have done something wrong because of discrepancies in...
Worksheet
Curated OER

Probability Crossword

For Teachers 4th - 8th
Make probability fun and test your learners' knowledge of math probability vocabulary. Print out this crossword puzzle and see if they know enough about outcomes and experiments to fill in the blanks. The answer key is attached in...
Worksheet
Curated OER

Math Crossword Puzzle x 8

For Students 3rd - 6th
Another terrific math worksheet. In this one, learners answer multiplication facts dealing with multiples of six. They write the correct number beside the problem and then spell the answer in the crossword puzzle. There are ten problems...
Lesson Plan
Education Development Center

Algebraic Habits of Mind

For Teachers 6th - 9th Standards
Math really is just one big puzzle waiting to be solved. Show learners that math can be intriguing and provide them with visually engaging problems and puzzles. The focus is on solving simple equations and looking at expressions. 
Lesson Plan
Curated OER

Our Earth Crossword Puzzle

For Teachers 3rd - 5th
In this earth's environment worksheet, students use the 20 clues and their problem solving skills to correctly complete the crossword puzzle.
Unit Plan
North Carolina State University

Exploring Genetics Across the Middle School Science and Math Curricula

For Students 6th - 8th Standards
Where is a geneticist's favorite place to swim? A gene pool. Young geneticists complete hands-on activities, experiments, and real-world problem solving throughout the unit. With extra focus on dominant and recessive genes, Punnett...
Lesson Plan
NASA

Exploration of a Problem: Making Sense of the Elements

For Teachers 9th - 12th Standards
When given too much data to simply memorize, it helps to sort it into manageable groups. The second instructional activity in the six-part series of Cosmic Chemistry challenges groups of pupils to take a large amount of data and figure...
Activity
Beauty and Joy of Computing

Unsolvable and Undecidable Problems

For Teachers 9th - 12th
Try as you might, some functions just cannot be computed. The lab introduces the class to the possibility of unsolvable problems. The fourth lesson in a series of seven begins with a logic problem, then progresses to looking at functions...
Worksheet
Curated OER

Numeracy Problem Solving

For Students 6th
In this numeracy problem solving worksheet, 6th graders, working in groups of three, solve twenty word problems and then turn them into numerical equations.
Lesson Plan
Curated OER

Problem Solving: Dots, Symbols, Words and Proteins

For Teachers 9th - 11th
Students use symbols and dots to investigate the amino acids in a protein. In this problem solving lesson plan, students use dots and symbolic analogies to solve problems using the IDEAL problem solving method which includes identifying...
Interactive
Curated OER

Measure Exactly 8 Liters of Water

For Students 6th
In this measure exactly 8 liters of water worksheet, 6th graders read the problem and solve the question of measuring 8 liters with only a 6 liter and an 11 liter bucket.
Lesson Plan
Curated OER

Calculator Puzzle Patterns

For Teachers K - 5th
It's no secret that being able to competently use a calculator is an important skill. In this math lesson plan, young mathematicians learn how to use the counting constant function on their calculators to explore patterns and...
Interactive
Royal Society of Chemistry

Acids and Alkalis

For Students 6th - 12th
Is your acid-base chemistry lesson plan a little ho-hum? Spice things up with puzzles! Young chemists manipulate facts about acids and bases to solve a series of interactive puzzles. The activity combines content knowledge and...
Interactive
Royal Society of Chemistry

Ionic Formulae 1

For Students 6th - 12th Standards
The ionic formula for banana would be BaNa2. Scholars work their way through four puzzles reviewing ionic formulas. Each puzzle requires scientific knowledge as well as logic and problem-solving skills.
Interactive
Royal Society of Chemistry

Mass Concentration of Solutions

For Students 6th - 12th
Ready to teach your class about molar mass and solution concentration? Make time for an interactive resource that will challenge their reasoning and problem-solving skills. Science scholars calculate the molarity of several solutions...
Activity
1
1
Henrico County Public Schools

Factoring Puzzle

For Students 9th - 11th Standards
Factoring polynomials is an essential part of writing equivalent expressions and algebraic problem solving. Here is a card game that serves an engaging activity for reviewing factoring of polynomials.
Worksheet
Curated OER

The Fed Ex Problem

For Students 6th - 10th
In this Fed Ex worksheet, students read a word problem about air travel and time to deliver packages and solve it. Students complete 1 problem.
Interactive
Curated OER

Missing Dollar: the Bargain Hotel

For Students 6th
In this missing dollar:  the bargain hotel learning exercise, 6th graders solve the math puzzle about paying for the hotel room using logic and problem solving.
Lesson Plan
Curated OER

Patterns and Pentominoes

For Teachers 2nd - 7th
Students solve pentomino puzzles.  In this problem solving lesson, students discuss how pentomino puzzles play into the plot of Chasing Vermeer by Blue Balliett and practice solving a pentomino puzzle on their own....
Interactive
Royal Society of Chemistry

Periodic Table 2

For Students 6th - 12th Standards
While the periodic table looks complex, it is really arranged by only two variables, atomic number and electron configuration. The set of four puzzles focuses on groups 3, 4, 5, and 6 or 13, 14, 15, and 16, depending on your periodic...
Activity
Computer Science Unplugged

Ice Roads–Steiner Trees

For Teachers 4th - 12th
As an introduction to Steiner Trees, class members are challenged to find the shortest paths to connect multiple points. The teacher introduces the problem by showing how to connect three points. Groups then go outside and construct a...
Interactive
Royal Society of Chemistry

Flame Test Colours

For Students 6th - 12th Standards
Scientists identify elements by the color of flame they produce because each element is defined by exactly one line on the emission spectrum. By completing a series of puzzles, scholars reinforce their knowledge of the results of flame...
Lesson Plan
Curated OER

Fraction Puzzle Problems

For Teachers 5th
Fifth graders design a fraction word problem PowerPoint presentation. In small groups they complete a storyboard graphic organizer for their word problem, evaluate another group's word problem, and create a PowerPoint presentation of...