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Ysgol Penalltau
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Cefnogaeth Mathemateg / Maths Support
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Adio a Thynnu Degolion / Adding & Subtracting Decimals
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Adio a Thynnu Degolion / Adding & Subtracting Decimals
Adio (llinell rif) / Addition (number line)
Tynnu degolion (llinell rif) / Subtracting decimals (number line)
In This Section
Adio a Thynnu Degolion / Adding & Subtracting Decimals
Adio degolion (colofn) / Adding decimals (column)
Dyblu Degolion / Doubling Decimals
