The result of addition and subtraction of rational numbers Animation Play

The result of an operation as a recurring decimal Student activity Play

The result of an operation as a recurring decimal Whiteboard exercise Play

The ribbon's price Whiteboard exercise Play

The Sahara and the Gobi Desert Whiteboard exercise Play

The sequence depending on the term's number Student activity Play

The sequence depending on the term's number Whiteboard exercise Play

The sequence in a settled order Whiteboard exercise Play

The sequence in a settled order Student activity Play

The square root Student activity Play

The sum and the difference of irrational numbers Whiteboard exercise Play

The sum as a common fraction Whiteboard exercise Play

The value of square root of 5 up to three decimal points Whiteboard exercise Play

The value of the expression Whiteboard exercise Play

The weight of Lena's purchases Animation Play

The weight of the bananas and the apples Animation Play

Transforming a fraction into a decimal Animation Play

Triangular and square numbers Class activity Play

Triangular and square numbers Animation Play

Triangular and square numbers Student activity Play

Triangular and square numbers Whiteboard presentation Play

Triangular numbers Student activity Play

Triangular numbers Whiteboard exercise Play

Triangular numbers Student activity Play

Triangular numbers Animation Play