Ko ngā tau ā-ira, koia nei ngā tau e whai hautanga ā-ira ana. Arā, e rua ngā wāhanga o tēnei momo tau. Ki te taha mauī o te ira he tauoti, ki te taha matau he hautanga ā-ira (TRP 2010:267). / Decimal numbers are numbers that contain a decimal fraction. There are two parts to the number. On the left of the decimal point is the whole number, on the right is the decimal fraction.

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