The Basic Number Diagnostic test by Bill Gillham, profiles key aspects of developing numeracy – from reciting and writing numbers to simple addition and subtraction. Its main purpose is to show what a child can and cannot do, to determine specific teaching objectives and to follow up those children identified as needing learning support. To this end, the test provides a standardised, diagnostic assessment which will help teachers to:
- pinpoint the bottom 20% before problems become severe;
- diagnose and profile each child’s strengths and weaknesses in early numeracy;
- match teaching activities and strategies to each child’s needs.