options: Represent and solve problems involving addition and subtraction.

Create equations that describe numbers or relationships

Use properties of operations to generate equivalent expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

Work with addition and subtraction equations.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Solve equations and inequalities in one variable.

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

Rewrite rational expressions.

Perform arithmetic operations on polynomials.

Generate and analyze patterns.

Use the four operations with whole numbers to solve problems.

Represent and solve equations and inequalities graphically.

Represent and solve problems involving multiplication and division.

Interpret the structure of expressions.

Write and interpret numerical expressions.

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

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

Gain familiarity with factors and multiples.

Analyze patterns and relationships.

Understand the relationship between zeros and factors of polynomials.

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

Add and subtract within 20.

Write expressions in equivalent forms to solve problems.

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

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

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

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

Reason about and solve one-variable equations and inequalities.

Use polynomial identities to solve problems.

Solve systems of equations.

Multiply and divide within 100.

Work with radicals and integer exponents.
problem_activity: Task
Anna enjoys dinner at a restaurant in Washington, D.C., where the sales tax on meals is 10%. She leaves a 15% tip on the price of her meal before the sales tax is added, and the tax is calculated on the pre-tip amount. She spends a total of \$27.50 for dinner. What is the cost of her dinner without tax or tip?


correct_option_index: 5

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