1MA0 Foundation June 2014 Paper 2 Q8

EdexcelFoundationOld spec4 marksSequences

8 A square of side 3 cm is made from nine squares of side 1 cm.

(a) How many more squares of side 1 cm are needed to make a square of side 6 cm? (2)

Here is a tile.

Here is a sequence of patterns made from these tiles.

(b) How many of these tiles are needed to make Pattern number 7? (2)

Mark scheme (a)

Answer	Mark	Notes
27	2	M1 for a complete method to find the number of extra squares, e.g. by drawing a square of side 6 cm and attempt to find the number of extra squares or for 6² − 3² or 3 × 9 or 4 × 9 – 9 A1 cao