Completing the table Whiteboard exercise Play

Distance between centres of two circles Whiteboard exercise Play

Factorisation by completing the square Whiteboard exercise Play

Factorisation by completing the square Student activity Play

Factorising by completing the square Student activity Play

Factorising by completing the square Whiteboard exercise Play

Finding intersection points of two circles Student activity Play

Finding intersection points of two circles Whiteboard exercise Play

Finding the coordinates of intersection points of two circles Whiteboard exercise Play

Finding the length of the radii of the circles Whiteboard exercise Play

Fractions with the same denominators Whiteboard exercise Play

Fractions with the same denominators Student activity Play

Graphical presentation of completing the square Animation Play

Hidden circles Student activity Play

Hidden circles Whiteboard exercise Play

Inscribed circles Whiteboard exercise Play

Intersection points of two circles Student activity Play

Intersection points of two circles Whiteboard exercise Play

Line that is tangent to both circles Animation Play

More complex examples in factorising by completing the square Student activity Play

More complex examples in factorising by completing the square Whiteboard exercise Play

Mutual position and number of common points of two circles Student activity Play

Mutual position and number of common points of two circles Whiteboard exercise Play

Mutual position of two circles Whiteboard presentation Play

Mutual position of two circles Whiteboard exercise Play