I don& think i ever knew this. the number below the # being multipled by 9 . like 2 then the second number is whatever is added to get 9 . answer hope that makes sense lol :)

Tower of numbers: Each roll of toilet paper has a number on it. These toilet paper rolls will need to be placed in the correct order to create a tower. (Place a circle piece of paper between the rolls to make it easier to balance.

**FREE** Tracing Numbers 0 Through 9 Worksheet. Learn to write and identify numbers by practicing number tracing.