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                            Grade 6
                            
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                            Grade 7
                            
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                            Grade 8
                            
                              K8 Arithmetic 
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                            Grade 9
                            
                              K9 Arithmetic 
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                            Grade 10
                            
                              K10 Arithmetic 
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                            Grade 11
                            
                              K11 Arithmetic 
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                            Grade 12
                            
                              K12 Arithmetic 
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Word Problems (Logic Puzzles) 
                            
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Selected Problems
                  Job Interview Puzzles 2022  
		  The Funniest Aplusclick Brainteasers 2021  
                  Aplusclick Best Puzzles 2020  
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                   Leslie Green's Puzzles  
                         PI Day 
                         Missiles 
                         Colored Bears 
                         Brotherhood 
                         Empty Tin Cans 
                         Helvetia 
                         Income Secret 
                         1024 US Dollars 
                         Angletown 
                          She Is Plotting Something 
                         It Is Under Attack 
                         White Collar 
                         Nineteen-Eighty-Four 
                         Riding Friday 
                         Bankruptcy 
                         Ten Pounds 
                         Unlucky Number 
                         Circular Economy 
                         Five Letters 
                         Walking Running 
                         Red Square 
                         Granny's money 
                         Plant 7 trees 
                         River crossing puzzle 
                         Mines 
                         Seven numbers in a line 
                         Military steps 
                         Apple cost 
                         Wage rise 
                         Removing nails   
                         Hundred math problems 
                         Base 2 system 
                         Secret agent 007 
                         2020 in the base 2 binary system 
                         Five cards 
                         Zero is an even number 
                         Real Friends 
                          Storks Bring Boys  
                          After Rodeo  
                          Girlfriends Choice  
                          Reading Daily Dog News 
                          A Finger Through the Earth  
                          Bongard Problem  
                          Christmas Presents  
                          Low Fat Milk  
                          Three Parrots  
                          777 Hours  
                          Address Guess  
                          Six-digit Lottery 
                          Shop Security Camera Geometry  
                          Flip a Dime  
                          Healthy Food Math  
                          Octagon Diagonals 
                          Tennis Stat  
                          MENSA Tough Question 
                          Rabbits and Eagles 
                          Project Math  
                          Counting Backwards  
                          Truth  and Lie  
                          Taylor's Math  
                          Trade Math  
                          The Bermuda Triangle  
                          The Best Deal  
                          Christmas Presents Brainteser  
                          Environmentally Friendly Shower  
                          A Fortune Teller  
                          The Chinese game of GO  
                          An Isosceles Trapezoid  
                          Sundays  
                          A Word Brainteaser  
                          Mars and Earth  
                          Rent a Car  
                          Farmer's Field  
                          Student's Meal  
                          Air Weight  
                          Gerry's Rich Uncle  
                          Nile and Amazon  
                          Pirate Captain  
                          Chess Knight  
                          Kitten Marbles  
                          Mrs. Greedy  
                          Knapsack Problem  
                          Easter Eggs  
                          Risky Air Luggage  
                          Tiled Floor  
                          Friends  
                          Locarno Film Festival  
                          Fifty five candles  
                          Glorious Park  
                          One Million  
                          Stamps  
                          Electric Bill  
                          Parliament Election  
                          Dark Ages Story  
                          Heritage Share  
                          Mountain View  
                          Celsius and Fahrenheit  
                          Hydraulic Pumps  
                          Driving Home  
                          Bees Life  
                          Hot Air Baloon Travel  
                          Long Street Left and Right Sides  
                          American Average Height  
                          Triathlon  
                          Achilles and Tortoise  
                          Potato Paradox  
                          Two Envelope Paradox  
                          Friends share all things  
                          Two Airplanes  
                          Barber Paradox  
                          Bermuda Triangle Angles  
                          Pop Quiz Paradox    
                            
                          SAT Question    
                          Open-air swimming    
                          Metro Cards    
                          A Revolving Door    
                           Islanders    
                          Undetected Errors     
                          Family Budget    
                           Swiss Punctuality    
                          Pirate Treasure    
                          Wear Out Tires    
                          Buying Cottage    
                          Country Roads    
                          Wikipedia Contributors    
                          Interest-free Loan    
                          Make a Deal!    
                          The man who counted    
                          Mary and John Manage Projects    
                          Management Support    
                          Subordination    
                          Swiss Town of Murten Roofs    
                          Breath    
                          Hair Growth    
                           Sale Commission    
                          Roses Are Red    
                          Rich Man    
                          PISA Test Question    
                           Food Eating    
                          Healthy Banana Food    
                          Stock Price     
                          Dozen Fish    
                          Archimedes Principle    
                          Seven soldiers    
                          space Rocket Travel    
                          Minimum Monthly Salary    
                          Chess Board    
                          dinner Choice    
                          Banzai    
                          Rich Becomes Richer    
                          Zoo     
                          Laptop Price    
                          Even and Odd    
                          Captain Hook's Rope   
                          Restaurant Bill    
                           Magic Puppy    
                          Stadium Security    
                          Stock Purchase    
                          Ninety-nine People    
                          Hamster Cages    
                          John's Dad    
                          Ten Million Lottery Pot    
                          Contest Prize    
                          Basketball Tournament    
                          Income    
                          Perfect Cube    
                          Taxi Charges    
                          Space Rocket Safety    
                          Bicyclist    
                          Newborn Twins    
                          Young People    
                          Morse Code    
                          Pizza Price    
                          American Emergency Telephone Number    
                          Pay Rise    
                          Button Collection    
                          Word MATH    
                          Multimedia Messaging Service MMS    
                          Great Pyramid    
                          Secret Laboratory     
                          Ultra-lightweight Materials    
                          Non-stop Train    
                          Most Common Letter    
                          Soap    
                          Road Network    
                          Mount Everest     
                          Morozkin Problem    
                          Giving Away    
                          Life Span    
                          Monkey Math    
                          Pie Chart    
                          Thinking outside the box    
                          Real Estate Agent's Commission    
                          Winning Strategy     
                          Recipe    
                          Mr. Rapid is Driving on a Motorway    
                          Roman numerals    
                          Calculator    
                          Rectangular Floor Plan    
                          Square Tiles    
                          Election   
                          Football Teams          
                           Hundred-meter Race         
                           Healthy Heart           
                          Good Bargain Shoppers   
                           Five-digit Password  
                           Yellow Taxi Service    
                           Bill Mows A Lawn         
                          Egyptian Pyramids          
                          A Lady Avoids Revealing Her Real Age   
                           Young People         
                          Funnytown Rabbits          
                          Spinner          
                          Kitten Claws          
                          Henrietta the Hen          
                          Fifteen Billiard Balls          
                           Saloon Fire         
                          Scatter Plot          
                           Sea Battle         
                          Center of Mass          
                           Honey Bee         
                           Dance         
                           MMS         
                           Legend of Carthage         
                          Word SEASONS cost          
                          Secret door          
                          Three cows          
                          Tic-Tac-Toe          
                           Piggy Bank Cash   
                            
                          Math Library  
                           Flying Superman  
                          A Moon Man  
                            Gerry Has Fifteen Coconuts 
                          First Floor  
                            PISA Age Question 
                           Videoconference  
                          Money Exchanges 
                          Four Keyholes  
                          Teenagers  
                          School Committee  
                          Ice Safe Thickness  
                          Kitty Has 2017 Marbles  
                          Kids Math  
                          A Mystic Number 7  
                          Mars Day Length  
                           A Wonderful place  
                          WHO Statistics  
                          My Car Tank is a Quarter Empty  
                          Secret Service  
                          Books Grant  
                         Credit Card's Number  
                          Kevin Cleans Rooms  
                          Basketball Hoop  
                          The Guinness World Records  
                          Discus Throw Men's Olympic Record  
                          Thumb War  
                          A Subway Map  
                          Income Tax  
                          The Best Smile of the Year  
                          The ground clearance  
                          Mary has a Cat, and a Rat, and a Hat, and a Mat  
                          Pinocchio’s fortune  
                          Tax Statement  
                          Chain Break  
                          Thumb War  
                           FastMoney Bank 
                          Rocket Budget Cut  
                          Calories  
                          Digits Frequent  
                          The Lowest Birth Rate in the World  
                          Coffee and Tea Danger  
                          Spaces Between Words  
                          Luxury cars Length  
                          Sine Waves  
                          Wood Comes From Air  
                          Hash  
                          Crescent Shape  
                          Ponzi  
                          Cacao Mixture  
                          Relay Race  
                          Freeway Numbers  
                          Star Revenue  
                            
                          Penny-farthing Bicycle  
                          Principle of Moments  
                          Rear View  
                          Wrong Spelling  
                          Three Parrots  
                          Medieval Currency  
                            Basel Art  
                          Knots  
                          Tow  
                          Date-limited Food  
                          Silk Socks  
                          Elephants  
                          Ant  
                          Green-minded Driver  
                          Car Sharing  
                          Diesel  
                          Henchman  
                          Measures of Corn  
                          Giving  
                          Chess King  
                          Taxi and Cheese  
                          Swiss Intercity Railway Network  
                          Bathtub and Water  
                          Squirrel Hides  
                          Baker  
                          Leasing  
                          Motor Boats  
                          Critical Mission  
                          Desmond the Dragon  
                          Baseball Balls  
                          Rechargeable battery technology  
                          Chaotic Price  
                          Genie Wishes  
                          Birds Flying Backwards   
                          Sphere  
                          Spaceship  
                          Koalas                              
                          Tongue-twister Rhyme  
                          Humans on the Earth   
                          Intuition  
                          The great hero Bunny the Rabbit  
                          Sleep at Night  
                          How to Split a Restaurant Bill  
                          Quality Control  
                          A Handkerchief  
                          Rainstorm  
                          Catch up a Girl 
                          Grandpa Banger  
                          Martin had $100 million  
                          William Shakespeare's play As You Like It  
                          Two Billion of Three Trillion  
                          Hike Food  
                          A counting-out game  
                          Who Is Closer to the North Pole?  
                          A claustrophobic gentleman  
                          What came first, a chicken or an egg?  
                          Powerful engine  
                          Calculating income tax  
                          Healthy Drink city Mayor  
                          Alcuin, Abbot of Canterbury  
                          MENSA question 7367  
                          Barge Haulers  
                          200 percent  
                          Top-fuel Dragster  
                          Olympia and Sparta  
                          100-digit secret number  
                          Never judge by appearances  
                          Why is the sky sometimes blue?  
                          One hundred and one piastras  
                          Mars Tourist Agency  
                           RMS Titanic  
                          Mule's travel  
                          Elves  
                          Domestic heating systems  
                          Family  
                          Gilgamesh  
                          Rich father  
                          Parking  
                          Wild Life National Park  
                          1802 Cambridge University entrance problem  
                          Shoping  
                          Amphorae  
                          Multi-stage Rocket  
                          Happy Relationship  
                          Skeleton  
                          Crimes Statistics  
                          Faulty Pots  
                           Members of Parliament  
                          Europe Value Added Tax VAT  
                          Two Portions of Magic Powder  
                          Solving Problems Correctly  
                          An Ingenious Scheme  
                          Dig a Trench  
                          House Prices  
                          Sliding Square Puzzle  
                          Perfect Square Age  
                          Black Middle of a Human Eye  
                          Math Jinni Hotel  
                          Eratosthenes Measured the Circumstance of the Earth  
                          A Girl and a Mirror  
                          Eagles beat Hawks  
                          Corporate Meeting Venue  
                          Family Table Tennis  
                          Winner Crossing the Finishing Line Facing Backwards  
                          IATA Three-letter Code  
                          A Bucket of Sand  
                          Non-overlapping Triangles  
                          Mathematical Literatacy  
                          Don't vote for 'Rob the Slob'   
                          Pierre de Fermat Simple Problem  
                          Mary is twice as good at problem solving as John  
                          Zero divided by zero  
                          Three Pentagons county  
                          Rabbits, Kittens, and Chickens  
                          Population of an island 
                          Bonuses  
                          Anno Domini  
                          Website availability  
                          Kid's balance  
                          Red and white roses  
                          Back to School  
                          Leave nothing  
                          George Boole  
                          A Special Sale Tag  
                          A Big Chair  
                          Biased Coin  
                          Five Tuesdays in February  
                          The highest profit  
                          My Notebooks  
                          No Plastic Bags  
                          What Time Is It?  
                          Fifty Percent  
                           What Is Sold In Pairs ?  
                          Girls' Input  
                          NBA Game  
                          Basketball Match  
                          Per Centum  
                           Chinese troops  
                          Donation  
                          Police Catches Smugglers' Boats  
                          What Number Cannot Be Represented in Roman Numerals?  
                          Smooth Numbers  
                          Distance Between Two Knots  
                          UK Energy Market  
                          Road Network  
                           Single-lane Road  
                          Rolling Three Dice  
                          Speedy  
                          If The Refrigerator Door Is Open . . .   
                          Transsiberian Railway  
                          Big Ben Balance Coins  
                          Big Ben Strikes  
                          James' Secret  
                          Guess The Exact Value Of Money  
                  
                          All adverts are lies 
                         One hundred costs 
                         Stuffed animals 
                         William Tell 
                         Tropical storms 
                         Tricky Equation Puzzle 
                         Sam Loyd Puzzle 
                         The largest pay 
                         Grandmother's gems 
                         Elves 
                         Spelling mistakes 
                         Christmas Tree 
                         IQ Word Problem 
                         Shadow 
                         Treasure Hunters 
                         Folded Paper 
                         Borromean Rings 
                         Children eat fruits  
                         Connect Red Dots 
                         January, Febe, March, April, May, and June 
                         Soldier Shared Duty 
                         Three Hockey Pucks 
                         Delicious Food Encyclopedia 
                         Petals Game 
                         77 Gold Coins 
                         Ron Rob Roy 
                         Shocking News 
                         Research Data 
                         Five Friends 
                         Security Cameras 
                         Back to School  
                         Spitfire 
                         Robot 
                         Lockers 
                         Job Interview Bathtub Question 
                         Happy Town 
                         Pears and Apples 
                         I  drive through the city 
                         King's messenger 
                         Two trains 
                         Tetrahex 
                         Big and Small 
                         MENSA Number Challenge 
                         Folded Paper 
                         Washing hands 
                         Thumb War Tournament 
                         Bolts and Nuts 
                         Safe Jump out of an Airplane 
                         Amazon Interview Question 
                         You Lose Your Dollar 
                         Break the shapes
                         First Summer Olympiad 
                         Sliding Chocolate Bars 
                         Observing Cars 
                         COFFEE, TEA or RANDOM 
                         Sam Loyd's Archery Puzzle 
                         Four Scores and Seven Years 
                         Country Names Challenge 
                         Getting a Six 
                         Traffic Merges from Different Lanes 
                         Rock-paper-scissors 
                         Henry Dudeney Tabletop Challenge 
                         Mistery Name 
                         Square Island 
                         Security System Lasers 
                         Smart Hidden Message 
                         Turning Sail Boat 
                         Climbing Steps 
                         Kitchen Floor      
			 Birth Rate      
			 Chief Road Officer Cross      
			 GPS Satellites      
			 Green and Red Dice      
			 Hockey Matches      
			 Knights in a Circle      
			 Last Will      
			 Melons      
			 Next Number      
			 One Stroke      
			 Peas      
			 Pebbles      
			 Play Order      
			 Prize Money      
			 Rich Couple      
			 Sleep      
			 Something      
			 Star Numbers      
			 Symmetry      
			 Tenth Ring      
			 Tunnels      
			 Wire Cube