Year 9 Mathematics
The proficiency strands understanding, fluency, problem-solving and reasoning are an integral part of mathematics content across the three content strands: number and algebra, measurement and geometry, and statistics and probability. The proficiencies …
Year 9 | Mathematics | F-10 curriculum
ACMSP283
Compare data displays using mean, median and range to describe and interpret numerical data sets in terms of location (centre) and spread
Elaborations ScOT Terms
ACMSP283 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Achievement Standard Mathematics Year 9
By the end of Year 9, students solve problems involving simple interest. They interpret ratio and scale factors in similar figures. Students explain similarity of triangles. They recognise the connections between similarity and the trigonometric ratios. …
Achievement Standard | Achievement Standards | Year 9 | Mathematics | F-10 curriculum
ACMSP226
Calculate relative frequencies from given or collected data to estimate probabilities of events involving 'and' or 'or'
Elaborations ScOT Terms
ACMSP226 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
ACMSP227
Investigate reports of surveys in digital media and elsewhere for information on how data were obtained to estimate population means and medians
Elaborations ScOT Terms
ACMSP227 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
ACMSP282
Construct back-to-back stem-and-leaf plots and histograms and describe data, using terms including ‘skewed’, ‘symmetric’ and ‘bi modal’
Elaborations ScOT Terms
ACMSP282 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMSP282
using stem-and-leaf plots to compare two like sets of data such as the heights of girls and the heights of boys in a class
Elaboration | ACMSP282 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
ACMSP228
Identify everyday questions and issues involving at least one numerical and at least one categorical variable, and collect data directly and from secondary sources
Elaborations ScOT Terms
ACMSP228 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
ACMMG220
Use the enlargement transformation to explain similarity and develop the conditions for triangles to be similar
Elaborations ScOT Terms
ACMMG220 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
ACMNA296
Graph simple non-linear relations with and without the use of digital technologies and solve simple related equations
Elaborations ScOT Terms
ACMNA296 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
ACMMG223
Use similarity to investigate the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles
Elaborations ScOT Terms
ACMMG223 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMMG223
developing understanding of the relationship between the corresponding sides of similar right-angled triangles
Elaboration | ACMMG223 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration (1) ACMSP282
describing the shape of the distribution of data using terms such as ‘positive skew’, ‘negative skew’ and 'symmetric' and 'bi-modal'
Elaboration (1) | ACMSP282 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMSP283
comparing means, medians and ranges of two sets of numerical data which have been displayed using histograms, dot plots, or stem and leaf plots
Elaboration | ACMSP283 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMSP227
investigating a range of data and its sources, for example the age of residents in Australia, Cambodia and Tonga; the number of subjects studied at school in a year by 14-year-old students in Australia, Japan and Timor-Leste
Elaboration | ACMSP227 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum