Elaboration (2) ACMNA149
solving problems involving lowest common multiples and greatest common divisors (highest common factors) for pairs of whole numbers by comparing their prime factorisation
Elaboration (2) | ACMNA149 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA173
understanding that rate and ratio problems can be solved using fractions or percentages and choosing the most efficient form to solve a particular problem
Elaboration | ACMNA173 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA179
solving equations using concrete materials, such as the balance model, and explain the need to do the same thing to each side of the equation using substitution to check solutions
Elaboration | ACMNA179 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA157
justifying choices of written, mental or calculator strategies for solving specific problems including those involving large numbers
Elaboration | ACMNA157 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum