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

Solve systems of equations.

Write and interpret numerical expressions.

Represent and solve problems involving multiplication and division.

Understand the relationship between zeros and factors of polynomials.

Perform arithmetic operations on polynomials.

Use the four operations with whole numbers to solve problems.

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

Reason about and solve one-variable equations and inequalities.

Add and subtract within 20.

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

Multiply and divide within 100.

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

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Work with radicals and integer exponents.

Represent and analyze quantitative relationships between dependent and independent variables.

Write expressions in equivalent forms to solve problems.

Represent and solve equations and inequalities graphically.

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

Gain familiarity with factors and multiples.

Generate and analyze patterns.

Analyze patterns and relationships.

Use polynomial identities to solve problems.

Solve equations and inequalities in one variable.

Use properties of operations to generate equivalent expressions.

Interpret the structure of expressions.

Work with addition and subtraction equations.

Represent and solve problems involving addition and subtraction.

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

Rewrite rational expressions.

Create equations that describe numbers or relationships

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

Understand the connections between proportional relationships, lines, and linear equations.
problem_activity: Task
Nola was selling tickets at the high school dance. At the end of the evening, she picked up the cash box and noticed a dollar lying on the floor next to it. She said,
I wonder whether the dollar belongs inside the cash box or not.
The price of tickets for the dance was 1 ticket for \$5 (for individuals) or 2 tickets for \$8 (for couples). She looked inside the cash box and found \$200 and ticket stubs for the 47 students in attendance. Does the dollar belong inside the cash box or not?


correct_option_index: 1

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