Elaboration ACMNA155
using authentic examples for the quantities to be expressed and understanding the reasons for the calculations
Elaboration | ACMNA155 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA156
using rounding to estimate the results of calculations with whole numbers and decimals, and understanding the conventions for rounding
Elaboration | ACMNA156 | 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
Elaboration (1) ACMNA157
understanding that quantities can be represented by different number types and calculated using various operations, and that choices need to be made about each
Elaboration (1) | ACMNA157 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration (2) ACMNA157
calculating the percentage of the total local municipal area set aside for parkland, manufacturing, retail and residential dwellings to compare land use
Elaboration (2) | ACMNA157 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA158
using authentic problems to express quantities as percentages of other amounts
Elaboration | ACMNA158 | 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 ACMNA174
applying the unitary method to identify ‘best buys’ situations, such as comparing the cost per 100g
Elaboration | ACMNA174 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA175
understanding that arithmetic laws are powerful ways of describing and simplifying calculations and that using these laws leads to the generality of algebra
Elaboration | ACMNA175 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA176
using authentic formulas to perform substitutions
Elaboration | ACMNA176 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA177
identifying order of operations in contextualised problems, preserving the order by inserting brackets in numerical expressions, then recognising how order is preserved by convention
Elaboration | ACMNA177 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration (1) ACMNA177
moving fluently between algebraic and word representations as descriptions of the same situation
Elaboration (1) | ACMNA177 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA178
plotting points from a table of integer values and recognising simple patterns, such as points that lie on a straight line
Elaboration | ACMNA178 | 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 (1) ACMNA179
investigating a range of strategies to solve equations
Elaboration (1) | ACMNA179 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMNA180
using travel graphs to investigate and compare the distance travelled to and from school
Elaboration | ACMNA180 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration (1) ACMNA180
interpreting features of travel graphs such as the slope of lines and the meaning of horizontal lines
Elaboration (1) | ACMNA180 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration (2) ACMNA180
using graphs of evaporation rates to explore water storage
Elaboration (2) | ACMNA180 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration ACMMG159
building on the understanding of the area of rectangles to develop formulas for the area of triangles
Elaboration | ACMMG159 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum
Elaboration (1) ACMMG159
establishing that the area of a triangle is half the area of an appropriate rectangle
Elaboration (1) | ACMMG159 | Content Descriptions | Year 7 | Mathematics | F-10 curriculum