Puzzle
Levels of logic puzzles that get harder; aha moments.
43 tools
Syllable Surgeon
Operate on long words, splitting them into syllables and suffixes so the patient can be read aloud.
Grade 4 · English Language Arts · PuzzleBlueprint Builder
Choose a blueprint (problem-solution, compare-contrast) and build a paragraph that fits it.
Grade 4 · English Language Arts · PuzzleGrammar Garage
Fix broken sentences in a repair shop: misplaced modals, wrong tense and runaway prepositional phrases.
Grade 5 · English Language Arts · PuzzleComma Chameleon
Place commas so a sentence means what the picture shows; one misplaced comma changes the picture.
Grade 6 · English Language Arts · PuzzleSentence Remixer
Combine short choppy sentences into varied ones; pronoun agreement errors make the sentence glitch.
Grade 7 · English Language Arts · PuzzleSentence Diagram Builder
Snap clauses and phrases into a sentence tree; build simple, compound, complex and compound-complex sentences.
Grade 8 · English Language Arts · PuzzleParagraph Surgeon
Remove or move sentences in a paragraph and see how the argument weakens; restore the strongest order.
Grade 9 · English Language Arts · PuzzleParallel Parking
Park list items into parallel form; unparallel items scrape the car next to them.
Grades 3-5 · English Learners · PuzzleChain Reaction
Link cause and effect cards with because, so and as a result to make a chain reaction machine work.
Grades 6-8 · English Learners · PuzzleWord Problem Decoder
Highlight math language (per, each, how many more) and see how it maps to operations.
Grades 3-5 · Library and Research · PuzzleKeyword Kitchen
Cook up the best search by choosing keywords; see how results change with each ingredient.
Grades 3-5 · Arts · PuzzleDepth Detective
Rearrange objects in a scene using overlap, size and placement until it looks deep instead of flat.
Grades 6-8 · Arts · PuzzleDesign Fixer
Fix broken poster layouts by applying balance, contrast and emphasis; before-and-after reveals the difference.
Grades 9-12 · Arts · PuzzleTheory Gym
Identify intervals, keys and cadences in puzzles that build from simple to complex.
Grades 3-5 · Arts · PuzzleDance Pattern Puzzle
Build a dance sequence from move cards to match a pattern (ABAB); perform it at different tempos.
Grade 1 · Computer Science · PuzzleBee Bot Garden
Program a bee to reach flowers with arrow commands; fix the code when it bumps into weeds.
Grade 2 · Computer Science · PuzzleLoop Garden
Plant flowers with repeat blocks; fewer blocks earn more stars.
Grade 4 · Computer Science · PuzzleCode Tracer
Step through code line by line, predicting variable values before they appear.
Grades 6-8 · Computer Science · PuzzleCode Kitchen
Write procedures that cook recipes with variables of different types; reuse them to save time.
Grades 6-12 · World Languages and ASL · PuzzleFace the Grammar
Match facial expressions and non-manual markers to question types and grammar.
Grade 1 · Math · PuzzleMake Ten Machine
Pairs of numbers roll in on a conveyor; slide counters across to make a ten and watch the harder fact turn easy.
Grade 1 · Math · PuzzleBalance the Beam
A balance scale with numbers on both sides; find the missing weight so it levels. Kills the "equals means...
Grade 3 · Math · PuzzleTile the Floor
Cover rooms with square tiles, then shortcut with rows times columns. Odd-shaped rooms split into rectangles.
Grade 4 · Math · PuzzlePrime Garden
Plant numbers as rectangular gardens; primes only grow in a single row. Find every shape for 36.
Grade 4 · Math · PuzzleRule Machine
Numbers go in, numbers come out; guess the rule, then build one for classmates to crack.
Grade 5 · Math · PuzzleFraction Kitchen
Combine measuring cups of different sizes to hit exact amounts; find common denominators to pour without spilling.
Grade 5 · Math · PuzzleBox Packer
Pack cubes into shipping boxes; find the volume formula by watching layers stack.
Grade 6 · Math · PuzzleBalance Puzzle
Mystery bags on a balance; remove the same weight from both sides to find what's inside.
Grade 8 · Math · PuzzleSquare Root Hunt
Squeeze the square root of 2 between closer and closer decimals on a zooming number line.
Grade 8 · Math · PuzzleFunction Machine Factory
Build machines that turn inputs into outputs; a broken machine gives two outputs for one input and the...
Grade 8 · Math · PuzzleSquare Slicer
Cut the two small squares and rearrange the pieces to fill the big one; then use it to find shortcuts...
Grade 9 · Math · PuzzleExponent Rule Builder
Unlock exponent rules by experimenting with patterns, then prove why a 1/2 power is a square root.
Grade 9 · Math · PuzzleEquation Golf
Solve equations in as few legal moves as possible; par scores reward elegant solutions.
Grade 10 · Math · PuzzleTransformation Golf
Move a shape onto its twin with the fewest transformations; prove congruence by mapping.
Grade 10 · Math · PuzzleProof Blocks
Drag statements and reasons into a proof that holds up; a compass-and-straightedge sandbox handles constructions.
Grade 11 · Math · PuzzleUndo Machine
Chain function machines, then build the machine that undoes them. Some machines can't be undone.
Grade 12 · Math · PuzzleHole Hunter
Find the holes, jumps and asymptotes hidden in graphs; repair them to make the function continuous.
Grade 3 · Science · PuzzleMagnet Maze
Guide a steel ball through a maze using magnets you can't touch; static electricity levels with balloons.
Grade 4 · Science · PuzzleSecret Code Signals
Send messages across the room using light flashes, sound beeps and patterns; invent a code a friend can decode.
Grade 6 · Science · PuzzlePlate Puzzle
Fit continents back together using fossils, rocks and coastlines; then run the plates forward and backward in time.
Grade 9 · Science · PuzzleProtein Factory
Transcribe DNA to mRNA and translate codons into amino acids; a single mutation can break the protein.
Grade 10 · Science · PuzzleEquation Balancer
Balance equations by adding molecules on both sides; atoms on the scale must match.
Grade 1 · Social Studies · PuzzleCompass Rose Quest
Follow directions (north, south, east, west) on a map key to find hidden treasures.