Numberline up to 20 Writable number lines up to 20. - With the numbers from 0-20 - Only a line - so children have to estimate the place of the number - With blanco circles - to fill in the numbers - With divisions from 0 - 20 1 transparent sheet - printed with the numbers from 1-20 in circles. Can be used to control the exercises. Contents: 4 Number lines - 1 transparent sheet - 1 pencil Dimensions of the lines and the sheet: 25 x 4 cm