1. The sum of the first n odd numbers equals:

2. What is 1 + 3 + 5 + 7 + 9 + 11?

3. The pattern: 1, 1+2+1, 1+2+3+2+1, … gives us which sequence?

4. What is the sum: 1 + 2 + 3 + ... + 100 + 99 + ... + 2 + 1?

5. What is the next number in the hexagonal sequence: 1, 7, 19, 37, ___?

6. Which sequence represents cubes?

7. The powers of 2 sequence is:

8. The shapes in the Regular Polygons sequence start with how many sides?

9. What do you get when you count the sides of regular polygons starting from triangle onwards?

10. What number sequence results from counting the lines in Complete Graphs (K2, K3, etc.)?