options: Work with radicals and integer exponents.

Understand the connections between proportional relationships, lines, and linear equations.

Use polynomial identities to solve problems.

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

Use properties of operations to generate equivalent expressions.

Multiply and divide within 100.

Generate and analyze patterns.

Perform arithmetic operations on polynomials.

Reason about and solve one-variable equations and inequalities.

Solve systems of equations.

Represent and solve problems involving multiplication and division.

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

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

Write and interpret numerical expressions.

Interpret the structure of expressions.

Write expressions in equivalent forms to solve problems.

Represent and solve problems involving addition and subtraction.

Use the four operations with whole numbers to solve problems.

Add and subtract within 20.

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

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

Gain familiarity with factors and multiples.

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

Create equations that describe numbers or relationships

Solve equations and inequalities in one variable.

Represent and solve equations and inequalities graphically.

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Rewrite rational expressions.

Understand the relationship between zeros and factors of polynomials.

Work with addition and subtraction equations.

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

Represent and analyze quantitative relationships between dependent and independent variables.

Analyze patterns and relationships.
problem_activity: Task
A numeric expression like $5+(8 + 2)^2$ has one and only one value. What is it?
Consider the expression $5+(x + 2)^2$. What are some values it can have? Make sure you organize your work, so anyone can tell which value for the expression goes with which $x$ value.
How many different values can an algebraic expression like $5+(x + 2)^2$ have?
What is the difference between the expression $2x$ when it is all by itself and when it is in an equation like $2x = 12$ ?


correct_option_index: 27