IXL - Australia year 5 maths curriculum Choose numbers with a particular product (5-C.32) Choose numbers with a particular quotient (5-D.17) Highest common factor (5-E.6) Lowest common multiple (5-E.8) Identify factors (6-E.2) ACMNA098.a exploring factors and multiples using number sequences Choose the multiples of a given number up to 10 (4-D.6)