Standard 2-1, page 78, Grades 5-8
Model situations using oral, written, concrete, pictorial, graphical,
and algebraic methods
Standard 2-1 page 140, Grades 9-12
Reflect on and clarify their own thinking about mathematical ideas
and situations
Standard 3-2 page 29, Grades K-4
Use models, known facts, properties, and relationships to explain their
thinking
Standard 12-4 page 57, Grades K-4
Use models to explore operations on fractions and decimals
Standard 2-1, page 78, Grades 5-8
Model situations using oral, written, concrete, pictorial, graphical,
and algebraic methods
Standard 4-2, page 84, Grades 5-8
Explore problems and describe results using graphical, numerical, physical,
and verbal mathematical models or representations
Standard 9-2, page 102, Grades 5-8
Represent situations and number patterns with tables, graphs, verbal
rules, and equations and explore the interrelationships of these representations
Standard 12-6, page 112, Grades 5-8
Develop an appreciation of geometry as a means of describing the physical
world