**Riddle: **Using only addition, add eight 8s to get the number 1,000.

**Answer**

888 + 88 + 8 + 8 + 8 = 1,000. This is the kind of math riddle you can work out with times tables, or by simple logic. First, get as close to 1,000 as you can (888). From there, it’s easy to figure out the rest.