1. Cross-Sum: Fill in the vacant squares with the digits 1-9, each used exactly once, so that the 3 horizontal and 3 vertical equations are true. Calculations are done from left to right and from top to bottom.
2. Word Snarl: Fill in the vacant squares with two different letters so that 9 words are formed.
3. Postage Puzzles: In the countries of Yugocrazia and Checkocrazia, there are three different denominations of stamps, each measured in whole units of cents. Their strict postal laws require exact postage on all letters.
a) In Yugocrazia, it takes two stamps to mail a letter requiring postage of 11 cents, 12 cents, 16 cents, or 17 cents. How much does each stamp cost there?
b) In Checkocrazia, it takes three stamps to mail a letter requiring postage of 11 cents, 12 cents, 16 cents, or 17 cents. How much does each stamp cost there?
4. Color Me Happy: Insert one letter in each box so that the names of 18 colors can be read horizontally.
5. Drawn and Quartered: Divide each figure into 4 equal pieces. The pieces can be rotated and reflected.
6. Word Square: Put the 9 letters below into the grid so that six 3-letter
words are formed, 3 reading across and 3 reading down.