Question 4
The figures below contain 5 squares in a $2\times2$ grid and 14 squares in a $3\times3$ grid.

For parts (a)–(c), you may do your working in the worksheets provided.
(a) How many squares are in the $8\times8$ grid?

(b) How many squares are in the two $8\times8$ grids with 3 coinciding units, as shown below?

(c) How many squares are in the two $8\times8$ grids with 6 coinciding units, as shown below?


For parts (a)–(c), you may do your working in the worksheets provided.
(a) How many squares are in the $8\times8$ grid?

(b) How many squares are in the two $8\times8$ grids with 3 coinciding units, as shown below?

(c) How many squares are in the two $8\times8$ grids with 6 coinciding units, as shown below?
