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

Add and subtract within 20.

Write expressions in equivalent forms to solve problems.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Use the four operations with whole numbers to solve problems.

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

Represent and analyze quantitative relationships between dependent and independent variables.

Represent and solve problems involving addition and subtraction.

Use polynomial identities to solve problems.

Generate and analyze patterns.

Reason about and solve one-variable equations and inequalities.

Create equations that describe numbers or relationships

Represent and solve equations and inequalities graphically.

Represent and solve problems involving multiplication and division.

Analyze patterns and relationships.

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

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

Use properties of operations to generate equivalent expressions.

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

Write and interpret numerical expressions.

Perform arithmetic operations on polynomials.

Rewrite rational expressions.

Work with addition and subtraction equations.

Work with radicals and integer exponents.

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

Interpret the structure of expressions.

Gain familiarity with factors and multiples.

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

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

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

Solve equations and inequalities in one variable.

Multiply and divide within 100.

Understand the relationship between zeros and factors of polynomials.

Solve systems of equations.
problem_activity: The basketball team sold t-shirts for a fundraiser. They sold a total of 23 items and made a profit of $246. They made a profit of $10 for every t-shirt they sold and $12 for every hat they sold.
Determine the number of t-shirts and the number of hats the basketball team sold.


correct_option_index: 2

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