How to reference a book

 Steele,Phillip, (2005) Galileo, New Burlington: London

3D Shapes

Today for maths I learnt about how many faces are on a shape. I estimated that the top shape would have 6 triangle faces and 1 hexagon face, also I estimated that the bottom shape would have 8 faces. I was right once but also wrong once.. I also learnt that it is not about the faces you can see because there are some faces that are hidden or you can't see.

The Part-Adder Tool

This strategy is called doubling because I added 48 and 40 

this strategy is called compensating because i added a number and took away that number