Describing position – part 1 Student activity Play

Describing position – part 2 Student activity Play

Determination of the number of erythrocytes Animation Play

Determining the empirical formula Animation Play

Determining the number of bacteria in a sample Animation Play

Determining the proportions of matter in the ecological pyramid Animation Play

Diagonals of polygons Student activity Play

Different questions Whiteboard exercise Play

Different questions about the same operation Whiteboard exercise Play

Different questions about the same operation. How many times more? How many times less? Student activity Play

Different questions about the same operation. How much more? How much less? Student activity Play

Different ways of proving Animation Play

Different ways of proving – example as a proof Whiteboard exercise Play

Disorders related to abnormalities in the number of sex chromosomes Slideshow Play

Divers Simulation Play

Dividing a decimal by an integer Animation Play

Dividing a decimal by an integer using the written method Whiteboard exercise Play

Dividing a decimal by an integer using the written method Student activity Play

Dividing by a decimal Student activity Play

Dividing by a decimal Whiteboard exercise Play

Dividing by a decimal using the written method Student activity Play

Dividing by a decimal using the written method Whiteboard exercise Play

Dividing by a fraction Student activity Play

Dividing by a fraction Whiteboard exercise Play

Dividing common fractions and decimals Student activity Play