Uned Un

Gweithgaredd Un

Gan gyfeirio nôl at "Diwrnodau – Dyddiau – Misoedd" ar ddechrau'r cwrs, atebwch y symiau canlynol gan ddefnyddio geiriau nid rhifau:

Referring to the "Numerals, Days & Months" at the beginning of the course, answer the following sums using Welsh words (not numerals):

3 + 4 =
3 + 6 + 2 =
9 - 4 =
4 + 6 + 3 =
2 + 4 =
15 + 10 - 6 =
3 + 5 =
4 + 5 + 6 =
5 + 5 =
18 - 9 + 3 =
7 + 4 + 3 =
10 + 10 =