Tasg 3: Adio a Tynnu

Task 3: Addition and Subtraction

Edrychwch ar y fideo 'Inverse Operations (addition and subtraction)' a 'Add and Subtract Integers' cyn cwblhau'r taflenni gwaith. Mae'r linc i ddarganfod y fideos ar wefan White Rose Maths isod.

Before completing the worksheets, watch the 'Inverse Operations (addition and subtraction)' and 'Add and Subtract Integers' videos. The link to find the videos on the White Rose Maths website is below.

Os ydych yn ansicr wrth adio a tynnu, gwyliwch y fideo 'Add Whole Numbers' a 'Subtract Whole Numbers' sydd ar yr un linc ac uchod.

If you are unsure about adding and subtracting, watch the 'Add Whole Numbers' and 'Subtract Whole Numbers' that are on the same link as above.