Math Brain Teasers: 25 Puzzles with Step-by-Step Answers
25 math brain teasers with hints and step-by-step answers: quick mental-math puzzles for kids, then pizza cuts, painted cubes and jug puzzles for grown-ups.
25 math brain teasers with hints and step-by-step answers: quick mental-math puzzles for kids, then pizza cuts, painted cubes and jug puzzles for grown-ups.
20 logic puzzles for kids with hints and worked answers: who-owns-what grids, seating puzzles, truth-and-lie mysteries and a mini Einstein puzzle, ages 7-12.
30 brain teasers for kids with hints and answers: quick lateral-thinking puzzles that reward careful reading, from easy warm-ups to tricky ones for age 10+.
31 ancient Egypt riddles with hints and answers about pyramids, pharaohs, mummies, gods and hieroglyphs. Easy to tricky, and historically accurate for class.
30 human body riddles with hints and answers about organs, bones and the five senses. Every fact is checked, from easy ones for kids to tricky ones for adults.
30 number riddles with hints and answers, each with the math worked out: place value and odd/even for kids, then clever logic puzzles to stump grown-ups.
30 apple riddles with hints and answers: easy orchard riddles for kids, apple facts and legends, and tricky apple math puzzles. Great for fall and classrooms.