If a child is showing an interest in reading then of course they should be encouraged to extend their knowledge and any teacher should be delighted that a child is getting support at home.
Phonetics - start with ch, ck, ff, ll, ss,zz, qu, sh, th
progress to - ai, ee, igh, oa, oo, ar, or, ur, er, ow, oi, ear, air, ure, ie, ue, ng, etc.
don't forget that some of the keywords your dd will be aiming to know by the end of the year are ones that cannot be sounded out so you could help your dd memorise those e.g. I, we, he, she, my, the, said, they, like.
As for numeracy you could try concentrating on 1 more / less, 2 more / less, 5 more/less, 10 more / less
initially 1 more than 5 is 6 progressing to 5 more than 5 and the 5 more than 13 etc.
Also if she finds this easy you could try number bonds for 10 i.e. 1+9 =10, 9+1 = 10 etc.