Numbie 9 is a well-organized Numbie. Sometimes this Numbie will just group things into nine sections. Like the other Numbies, it is a hardworking, friendly and helpful character. As you are beginning to see, this is also a number you can count on! In fact, Numbie 9 loves to count by – you guessed it – 9s. Numbie 9 loves to build squares, just like Numbie 1 and 4. Also like Numbie 3, Numbie 9 has a little magic trick, when you need to know what is divisible by Numbie 9. Any multi-digit number will tell you if it is related to Numbie 9. Just add its digits: if that number is a multiple of 9, it is related to Numbie 9. Let’s try 144: 1 + 4 + 4 = 9; 9 is a multiple of 9 so 144 is related to 9 (it’s the sixteenth cousin).

Here is a list of Numbie 9’s first 15 cousins including itself: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126 and 135. Can you find the next five cousins of Numbie 9? Can you find a pattern to help you know which relative is next?

Congratulations! You made it to the last numbie!!