Exploring and Communicating Mathematics
2-1 Number and Estimates
Estimating populations, distances, and probabilities.
Deciding if quantities are discrete or continuous.
2-2 Using Negative Numbers
Evaluating numerical and algebraic expressions using positive and negative numbers in everyday situations.
2-3 Exploring Scientific Notation
Converting numbers between decimal and scientific notation. Using scientific notation to estimate and compute.
2-4 Estimating Measures: Length and Area
Estimating lengths, distances on maps, and areas. Using geometric notation for lines, segments, and lengths.
2-5 Exploring Angle Relationships
Investigating geometric ideas using manipulatives. Applying angle relationships, including angles formed by intersecting lines, in circles, and in triangles.
2-6 Expressions for Measures
Writing expressions for measures of geometric figures. Simplifying these expressions by multiplying, using the distributive property, and grouping like terms./P>
2-7 Solving Equations: Balancing
Using algebra tiles to solve equations by balancing. Using equations to model and solve problems about areas and angle measures.
2-8 Solving Equations: Undoing
Solving equations by undoing operations and simplifying. Modeling and solving problems with equations.
2-9 Square Roots and Cube Roots
Estimating and evaluating rational and irrational square roots and cube roots in everyday contexts.