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.
Interactive
Curated OER

Math Puzzles: Connected Loops

For Students 6th
In this math puzzles:  connected loops worksheet, 6th graders read an explanation of the puzzle, then solve by figuring out how to connect the loops, answer is available online.
Interactive
Curated OER

Math Puzzle: Three Cubes

For Students 8th
In this math puzzle:  three cubes worksheet, 8th graders solve the puzzle by making cubes with 2 digit numerals on each side, then finding 3 ways for 3 sides to add up to 100, the answer is available online.
Interactive
Curated OER

Missing Dollar: the Bargain Hotel

For Students 6th
In this missing dollar:  the bargain hotel worksheet, 6th graders solve the math puzzle about paying for the hotel room using logic and problem solving.
Interactive
Royal Society of Chemistry

Acids and Salts

For Students 6th - 12th
How well do your young chemists know their acid-base reactions? Reinforce neutralization reaction and problem-solving skills with a challenging interactive. Learners examine the reactants, then predict the outcome in a series of...
Interactive
Curated OER

Where Did He Spend His Fortieth Birthday Given the Clues

For Students 7th - 11th
In this logic problem, students solve where a man spent his fortieth birthday given clues.  Some of the clues are given as fractions/ratios.  The solution is provided.
Interactive
ABCya

A Blocky Christmas!!

For Students 3rd - 6th
And you thought holiday shopping was tough! A fun Christmas game prompts players to direct a star block into position with the arrow keys on their keyboard. As they progress through levels, they use the star block to move additional...
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

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...
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
Curated OER

Exploring Slope

For Students 7th - 8th
In this exploring slope worksheet, students solve and complete 4 different problems. First, they compare an object's weight on Earth to an object's weight on another planet using the information given. Then, students compare this...
Interactive
Curated OER

Domino Puzzle

For Students 7th - 9th
In this middle school mathematics/Algebra I worksheet, students use logic to solve a puzzle in which they recover the outlines of the dominos which have been removed. Answers are provided. 
Interactive
Royal Society of Chemistry

Alkanes

For Students 6th - 12th Standards
Alkanes contain only single bonds and have no functional groups. Scholars match the properties of six alkanes in a series of four puzzles. Problem solving and logic help cement the concepts with repetition.
Interactive
Royal Society of Chemistry

Allotropes of Carbon

For Students 6th - 12th Standards
Carbon takes on many forms including diamond, graphite, and buckminsterfullerene. Scholars review their knowledge of these three allotropes of carbon as they complete four puzzles. The first acts as a general review, and the other three...
Interactive
Royal Society of Chemistry

Types of Bonding

For Students 6th - 12th Standards
A covalent bond yells at an ionic bond, "Didn't anyone teach you to share?" Four matching puzzles allow pupils to review covalent, ionic, and metallic bonding. They apply logic and problem solving to complete gridlocks including the...
Interactive
Royal Society of Chemistry

Moles Equations (14-16)

For Students 9th - 12th Standards
In chemistry, the mole is a unit of measurement, much like a millimeter or liter. After learning about moles, scholars learn various equations relating to mass, volume, and concentration. They review each of these equations in a few...
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...
Interactive
Quia

Quia: Story Problems With Mixed Practice

For Students 3rd - 8th
Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...
Interactive
PBS

Pbs Learning Media: Logical Leaps: Rational Numbers on the Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving a wallaby jumping contest.
Interactive
PBS

Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line

For Students 6th - 8th
n this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line.
Interactive
University of Cambridge

University of Cambridge: Nrich: Got It

For Students 1st - 8th
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
Interactive
Braingle

Braingle: Logic Brain Teasers

For Students 9th - 10th
Think logically as your solve the brain teasers provided on this page. Test your own logic skills with the puzzles that you can sort by popularity and difficulty, and test others' logic skills by submitting your own puzzles.
Interactive
University of Cambridge

University of Cambridge: Nrich: Game: Tandem

For Students Pre-K - 1st
Sharpen your problem solving and strategy skills playing this game. There is a "printable page" link if you want to print it out to help you work with the problem.
Interactive
University of Cambridge

University of Cambridge: Nrich: Game Fifteen

For Students 1st - 5th
Sharpen your problem solving and strategy skills playing this interactive game, Fifteen. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Printable Page," link if you want to print it...