Subtraction questions of 4- or 5-digit numbers which include thousandths. Algorithm is vertical; some questions are presented horizontally, requiring students to rewrite the question vertically to solve.

ACMNA079

Recognise that the place value system can be extended to tenths and hundredths. Make connections between fractions and decimal notation

ACMNA128

Add and subtract decimals, with and without digital technologies, and use estimation and rounding to check the reasonableness of answers

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