1. STRIPES There are 10 countries whose flags consist only of vertical stripes. How many of them can you match with the countries listed below? (Yes, some of them look very similar!) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Austria     Belgium     Chad     France     Giunea     Ireland     Italy     Ivory Coast     Mali     Nigeria     Romania

2. FULL HOUSE Make the old year 2018 using only the digits 4, 4, 4, 6, 6. Then make the new year 2019 using only the digits 3, 3, 3, 6, 6. You can use addition, subtraction, multiplication, division, exponentiation, concatenation, and any number of parentheses.

3. STRANGE MATRIX Find a table of distinct positive integers with 3 rows and 3 columns so that each row adds to 26 and each column multiplies to 240.

4. COMMON SIXES Fill in letters to complete the most common 6-letter words in written English starting with each letter. The initial letters are given.

5. WORMS   Divide the hexagonal grid below into worms that look like , or some rotation. Worms do not overlap, do not cover hexes with numbers, and cover every vacant hex. The numbers indicate how many different worms are adjacent to that hex.