The correct position of the signs Whiteboard exercise Play

The correct result of the division Whiteboard exercise Play

The cost of 1 kg of apples Animation Play

The cost of a 3-day mountain trip Whiteboard exercise Play

The debt is decreasing Whiteboard exercise Play

The debt is increasing. The debt is decreasing Student activity Play

The division of a triangle Student activity Play

The division of the triangle Whiteboard exercise Play

The expressions of equal value Whiteboard exercise Play

The goldfinch and the grouse Whiteboard exercise Play

The interior angles of a polygon Student activity Play

The maze Game Play

The missing brackets Whiteboard exercise Play

The missing decimal Whiteboard exercise Play

The missing exponent in a quotent Whiteboard exercise Play

The missing fraction Whiteboard exercise Play

The missing numbers Game Play

The missing numbers in the expressions Whiteboard exercise Play

The missing signs Whiteboard exercise Play

The money spent by Lena Whiteboard exercise Play

The number of zeros Whiteboard exercise Play

The order of operations Whiteboard exercise Play

The pieces of chocolate Whiteboard exercise Play

The pieces of chocolate on three plates Whiteboard exercise Play

The pieces of chocolate on two plates Whiteboard exercise Play