A little math, a little strategy. Pick your next puzzle.
Slide, combine, and chase the big tile.
A classic nine-by-nine number puzzle.
Ten sums. How many can you solve?
Find the pattern. Fill the gap.
Four numbers. One target.
Narrow down a mystery number.
Remember a growing string of digits.
Find hidden numbers in a digit grid.
Separate prime numbers from the rest.
Pick the numbers that hit the target.
Give your times tables a little workout.
Different fractions. The same value.
Put shuffled numbers in ascending order.
Fill crossing runs to match their sums.