TY - BOOK AU - Sinclair,Karleen AU - Anderson,Greg AU - Heather,Warwick TI - Learning numbers to 20 T2 - Excel early skills SN - 9773456668 U1 - 510 21 PY - 2004/// CY - Cairo PB - Dar el farouk KW - Mathematics N2 - In this book , students will revise and writing numbers1 to 9, then focus on nuymbers 10 to 20 they will practise counting, writing and making groups of numbersto20 ER -