options: Work with equal groups of objects to gain foundations for multiplication.

Multiply and divide within 100.

Understand properties of multiplication and the relationship between multiplication and division.

Solve problems involving the four operations, and identify and explain patterns in arithmetic.

Generate and analyze patterns.

Represent and solve problems involving multiplication and division.

Understand solving equations as a process of reasoning and explain the reasoning.

Rewrite rational expressions.

Represent and solve problems involving addition and subtraction.

Work with addition and subtraction equations.

Understand the relationship between zeros and factors of polynomials.

Use the four operations with whole numbers to solve problems.

Create equations that describe numbers or relationships

Analyze and solve linear equations and pairs of simultaneous linear equations.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Gain familiarity with factors and multiples.

Use polynomial identities to solve problems.

Understand and apply properties of operations and the relationship between addition and subtraction.

Solve systems of equations.

Analyze patterns and relationships.

Reason about and solve one-variable equations and inequalities.

Solve equations and inequalities in one variable.

Solve real-life and mathematical problems using numerical and algebraic expressions and equations.

Write expressions in equivalent forms to solve problems.

Interpret the structure of expressions.

Write and interpret numerical expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.

Perform arithmetic operations on polynomials.

Work with radicals and integer exponents.

Add and subtract within 20.

Represent and solve equations and inequalities graphically.

Use properties of operations to generate equivalent expressions.

Understand the connections between proportional relationships, lines, and linear equations.
problem_activity: A system of linear equations is represented in the graph below.
[IMG]
a.   Write the two equations that represent this system.
b.   What is the solution to the system? Prove this algebraically.


correct_option_index: 13