options: Add and subtract within 20.

Represent and analyze quantitative relationships between dependent and independent variables.

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

Rewrite rational expressions.

Write expressions in equivalent forms to solve problems.

Represent and solve problems involving multiplication and division.

Multiply and divide within 100.

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

Write and interpret numerical expressions.

Interpret the structure of expressions.

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

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

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

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

Perform arithmetic operations on polynomials.

Create equations that describe numbers or relationships

Generate and analyze patterns.

Analyze patterns and relationships.

Represent and solve problems involving addition and subtraction.

Use the four operations with whole numbers to solve problems.

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

Gain familiarity with factors and multiples.

Work with radicals and integer exponents.

Work with addition and subtraction equations.

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

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

Use properties of operations to generate equivalent expressions.

Understand the relationship between zeros and factors of polynomials.

Solve systems of equations.

Represent and solve equations and inequalities graphically.

Solve equations and inequalities in one variable.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Reason about and solve one-variable equations and inequalities.

Use polynomial identities to solve problems.
problem_activity: Problem 1
Is 8 a solution to
$$\frac{3}{8}x-5=-2$$
? Show or explain why or why not.
Problem 2
Is
$$-2$$
a solution to
$$10-2x=4+x$$
? Show or explain why not.
Problem 3
Write an equation with
$$x=9$$
as a solution.
Problem 4
Write an equation with
$$x=0$$
as a solution.


correct_option_index: 25