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Adio/ Addition

Rhif 1 digid + Rhif hyd at 20 1 digit number + Number to 20

Rhif 2 ddigid + 1 2 digit number + 1

Rhif 2 ddigid (Lluosrif o 10) + 10 2 digit tens number + 10

Rhif 2 ddigid + 1 digid 2 digits + 1 digit

Rhif 2 ddigid + Rhif 2 ddigid (Lluosrif o 10) 2 digit + 2 digit tens number

Rhif 2 ddigid + 2 ddigid 2 digits + 2 digits

Rhif 3 digid + 2 ddigid 3 digits + 2 digits

Rhif 3 digid + 3 digid 3 digits + 3 digits

Rhif 3 digid + 3 digid (Arian) 3 digits + 3 digits (Money)

Rhif 1 digid.1 lle degol + 1 digid.1 lle degol 1 digit.1 decimal place + 1 digit.1 decimal place

Adio rhifau mwy o faint Addition with larger numbers

Adio rhifau a 2 lle degol Adding numbers with 2 decimal places

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