# 27

= 3 × 3 × 3

A cube.

= 2 + 3 + 4 + 5 + 6 + 7

If you add up all the numbers between 2 and 7, the total is 27. Do any
other two digit numbers have this property?

The coloured balls in snooker have a total value of 27.

There are 27 books in the New Testament of the Bible.

Three-dimensional noughts and crosses is played on a 3 × 3 × 3 grid giving 27 positions to place your nought or cross.

** This wooden cube has been
painted red and cut into 27 smaller cubes. **

** If you take it apart, how
many of the smaller cubes will have no red paint on them? How many will
have one face painted red? How many will have two faces painted red? How
many will have three faces painted red? How many will have four faces
painted red?**