Fill in the blank squares of the grid, using 1 to 9, without repeating any number in any run line. The
the total in the shaded box at the top or beginning of each line.
A number in the bottom half of the shaded box gives a vertical total; in the top half, it’s a horizontal total. It’s useful to learn number combinations: for instance, a clue of 16 over two squares can only be 7 and 9. A clue of 7 over 3 squares can only be 1 + 2 + 4. For a printable list of the number combinations go to: www.kakuro.com/singlecombos.php