Math Puzzles and Number Brain Teasers

Number puzzles that reward clear thinking more than heavy calculation. Many have a tempting quick answer that turns out to be wrong. The explanations show the working.

• Upside Down Year
• Rolling Dice Total
• Number Under 100
• Pizza Slices
• Magic Square Center
• Three Consecutive Numbers
• Apples in a Basket
• Book Pages
• Average Speed Trap
• Painted Cube
• Clock Angle
• The Doubling Penny
• Cows and Chickens
• Half of Two Plus Two
• Train Meeting
• Sum to 100
• Missing Dollar
• The Snail in the Well
• Age Puzzle
• Handshake Party
• Five Machines
• Lily Pads
• Bat and Ball