Mathematical spinner 3 3 lessons Marjeta Belaj Tatjana Brezak Rus Sonja Turšič -students know numbers up to 1000 and differentiate decimal units ( Ones, Tens, Hundreds) -students write numbers in words and read it correctly -students put the numbers in right order -students enter data in the table -students follow the rules of the game -students cooperate and communicate -students develop perseverence and motor skills -students develop self evaluation Wood, seleshamer paper, paper sheets for writing data, abacus Students of 6th grade make wooden spinners at craft lessons. Students of the 3rd grade make source materials of seleshammer paper. Students cut dodecagons out of coloured seleshamer paper. On each twelfth of the shape they write numbers from 100 to 1000 (number, decimal unit, number in word). We cut out the shape and laminate it. Students make a simple abacus out of DAS modelling material.