Fill the missing number: 4, 8, 12, 16, ?
Answer on key
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Choose from themed riddle packs made for teachers, parents, families, classrooms and parties. Each set turns existing Brain Teaser Club riddles into simple cards for lessons, lunchbox notes, family game nights and other screen-free activities.
Every pack includes its own answer key, so you can cut out the cards, keep the answers separate and let children or adults solve the clues individually or in teams.
12 printable cards
Use this confidence-building pack for family time, rainy days, lunchbox notes or a quick screen-free activity with children.
Fill the missing number: 4, 8, 12, 16, ?
Answer on key
Fill the missing number: 3, 6, 12, 24, ?
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Fill the missing number: 5, 10, 15, 20, ?
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Fill the missing number: 1, 4, 7, 10, ?
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Fill the missing number: 2, 4, 8, 16, ?
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Fill the missing number: 10, 9, 8, 7, ?
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Fill the missing number: 2, 5, 8, 11, ?
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Fill the missing number: 100, 90, 80, 70, ?
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Fill the missing number: 7, 14, 21, 28, ?
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Fill the missing number: 1, 3, 5, 7, ?
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Which does not belong: circle, square, banana, triangle?
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Which does not belong: dog, cat, chair, rabbit?
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12 printable cards
Print these cards for morning work, brain breaks, early finishers or small-group challenges that get pupils talking and thinking.
Which does not belong: Monday, Friday, Sunday, March?
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Which does not belong: red, blue, seven, green?
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Which does not belong: apple, pizza, pencil, carrot?
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Which does not belong: rain, snow, wind, spoon?
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Which does not belong: ruler, pencil, eraser, elephant?
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Which does not belong: sun, moon, star, sandwich?
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Which does not belong: car, bus, train, tomato?
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Which does not belong: piano, guitar, drum, mountain?
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Fill the missing letter to make an animal: c_t
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Fill the missing letter to make an animal: d_g
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Fill the missing letter to make an animal: f_sh
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Fill the missing letter to name something seen in the night sky: st_r
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12 printable cards
Try this animal-themed pack during a nature topic, on a family journey or whenever young animal fans need a playful guessing game.
I have whiskers, soft paws and a purr. What am I?
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I look like a horse wearing black-and-white pajamas. What am I?
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I move slowly and carry my house on my back. What am I?
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I hop on two strong legs and carry my baby in a pocket. What am I?
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I sleep by day, hunt at night and say, “Who?” What am I?
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I am a bird dressed like I am going to a fancy party, but I cannot fly. What am I?
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I have eight arms but never wear sleeves. What am I?
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I buzz from flower to flower and make something sweet. What am I?
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I begin life in water, then grow legs and croak. What am I?
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I have a hard home, a slow walk and no front door. What am I?
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I am orange with green hair, and rabbits think I am delicious. What am I?
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I fly at night and sometimes sleep upside down. What am I?
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12 printable cards
These light-hearted riddles work well as icebreakers, family table games, classroom rewards or an easy way to share a laugh.
What goes up but never comes down?
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What must be broken before you can use it?
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I look like a horse wearing black-and-white pajamas. What am I?
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I sleep by day, hunt at night and say, “Who?” What am I?
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I am a bird dressed like I am going to a fancy party, but I cannot fly. What am I?
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What has many ears but cannot hear?
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I am a round treat with a piece missing from my middle. What am I?
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I have chips, but I am not a computer. What am I?
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I rise every morning but never climb a ladder. What am I?
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I float through stories, wear white and make people say “Boo!” What am I?
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I hold many eggs but I am not a bird. What am I?
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What is taken before you get it?
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12 printable cards
Save this more challenging set for older solvers, team competitions, extension activities or anyone who enjoys taking extra time over a clue.
Two fathers and two sons share three cookies so everyone gets one. How is that possible?
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How can you add five to nine and get two?
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Forward I am heavy, but backward I am not. What am I?
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What appears once in a minute, twice in a moment and never in one thousand years?
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I form a ring without making a sound, and people look up when I appear. What am I?
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What can reflect the past in your mind but never show you the future?
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What shadow can arrive before the object that makes it?
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What lamp makes a room darker when you turn it on?
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What chair makes you stand the moment you use it?
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What empty cup can fill a whole room?
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What ladder goes sideways instead of up?
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What pocket cannot hold money but can trap air underwater?
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6 printable cards
Place these six cards around the table, use them for team rounds or add them to a party bag for a quick group challenge.
What rain can fall indoors without making anything wet?
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What cake tells you how old someone is?
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I arrive before the party guests and tell them where to go. What am I?
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I am full of air, but one tiny poke can ruin my whole day. What am I?
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I have a crust but I am not the Earth. I can be sliced but I do not bleed. What am I?
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I make people move, but I never touch them. What am I?
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