Primary 3 Maths Worksheets | Forehill Primary School Primary 3 Maths Worksheets. . P3 Maths: Converting between KG and G [Triangles] 8th February 2021. . P3 Maths: Converting between KG and G [Squares] 8th February 2021. . P3 Maths: TJ-1B Textbook Page 214.