Principles and Standards for School Mathematics
Represent and analyze mathematical situations and structures using algebraic symbols
Expectations (6 - 8)
explore relationships between symbolic expressions and graphs of lines, paying particular attention to the meaning of intercept and slope;
use symbolic algebra to represent situations and to solve problems, especially those that involve linear relationships;
Use mathematical models to represent and understand quantitative relationships
Expectations (6 - 8)
explore relationships between symbolic expressions and graphs of lines, paying particular attention to the meaning of intercept and slope;
use symbolic algebra to represent situations and to solve problems, especially those that involve linear relationships;
model and solve contextualized problems using various representations, such as graphs, tables, and equations.
Analyze change in various contexts
Expectations (6 - 8)
explore relationships between symbolic expressions and graphs of lines, paying particular attention to the meaning of intercept and slope;
use symbolic algebra to represent situations and to solve problems, especially those that involve linear relationships;
model and solve contextualized problems using various representations, such as graphs, tables, and equations.
use graphs to analyze the nature of changes in quantities in linear relationships.
Expectations (9 - 12)
approximate and interpret rates of change from graphical and numerical data.
Data Analysis and Probability Standard
Formulate questions that can be addressed with data and collect, organize, and display relevant data to answer them
Expectations (6 - 8)
select, create, and use appropriate graphical representations of data, including histograms, box plots, and scatterplots.
Expectations (9 - 12)
understand histograms, parallel box plots, and scatterplots and use them to display data;
Develop and evaluate inferences and predictions that are based on data
Expectations (6 - 8)
select, create, and use appropriate graphical representations of data, including histograms, box plots, and scatterplots.
make conjectures about possible relationships between two characteristics of a sample on the basis of scatterplots of the data and approximate lines of fit;
Expectations (9 - 12)
understand histograms, parallel box plots, and scatterplots and use them to display data;