Number Puzzles

Daily Sudoku Nine digits. One grid. Find today’s solution. Play New puzzle today+40 XP Math Mischief Three math puzzles. Watch for the hidden traps. Play New puzzle today+40 XP Sign Grid Every number fits—if you follow the signs. Play New puzzle today+40 XP Number Pens Fill every pen without breaking a single total. Play New puzzle today+40 XP Count Trail One trail, every square. Where will you turn? Play New puzzle today+40 XP Cross Sums Every sum connects. Can you make them all fit? Play New puzzle today+40 XP Sum Shot Six numbers. Three targets. Find your winning sums. Play New puzzle today+40 XP Merge Climb Slide, merge, and reach today’s goal tile. Play New puzzle today+40 XP Balance Equations Missing numbers, missing signs. Find the balance. Play New puzzle today+40 XP Number Selection Cross out the right numbers. Hit every total. Play New puzzle today+40 XP Mystery Number One number. Several clues. Can you narrow it down? Play Play anytimeDaily · practice Which Is Greater? Fractions, decimals, percentages. Trust your number sense. Play Play anytimeDaily · practice Estimate It Skip the counting. How close can your eyes get? Play Play anytimeDaily · practice Chance Challenge Two possibilities. Which one has the better odds? Play Play anytimeDaily · practice Factor Links Connect every number. Avoid the dead end. Play Play anytimeDaily · practice Fraction Fit Three pieces. One whole. Find the perfect fit. Play Play anytimeDaily · practice Simultaneous Equations Two equations. One intersection. Find x and y. Play Play anytimeDaily · practice Quadratic Roots Find both roots. Unlock the equation. Play Play anytimeDaily · practice Function Composition Work inside out—or reverse the whole machine. Play Play anytimeDaily · practice