Adding and subtracting fractions – practical problems Student activity Play

Adding fractions – practical problems Student activity Play

Advanced problems Animation Play

Advanced problems Student activity Play

Area and circumference – calculation problems Whiteboard exercise Play

Area and circumference – calculation problems Student activity Play

Areas of polygons made of triangles – problems Student activity Play

Areas of polygons made of triangles – problems Whiteboard exercise Play

Arrangements in a ring Student activity Play

Arrangements in a ring – three men and two women Whiteboard exercise Play

Arrangements in boxes Student activity Play

Arrangements in boxes – identical socks Whiteboard exercise Play

Cardinal number problems Whiteboard exercise Play

Cardinal number problems Student activity Play

Combinations Whiteboard exercise Play

Combinations Student activity Play

Congruent figures – solving problems Student activity Play

Congruent triangles – solving problems Student activity Play

Counting bacteria Student activity Play

Counting bacteria Whiteboard exercise Play

Counting problems Class activity Play

Counting problems Whiteboard presentation Play

Counting votes Whiteboard exercise Play

Counting votes Student activity Play

Ethical problems arising from genetic modification of organisms Student activity Play