Cross Number Puzzles: Square Numbers No1

To complete these cross-number puzzle grids students will use their knowledge of the sequence of square numbers.
The clues for Puzzle A include index notation and phrases like: “the square of 3”, “3 squared” and “the 3rd square number”. In the Teacher’s Guide are outlines of different classroom approaches e.g.calculation based or geometrical pattern based. The student sheet includes geometrical diagrams of the square number sequence.
Puzzle B involves calculating sums and differences of square numbers and would be useful preparation for Pythagoras’ Theorem calculations.
Full solutions are included in the Teacher’s Guide.