options: Perform arithmetic operations on polynomials.

Gain familiarity with factors and multiples.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving addition and subtraction.

Use polynomial identities to solve problems.

Represent and solve problems involving multiplication and division.

Write expressions in equivalent forms to solve problems.

Use the four operations with whole numbers to solve problems.

Create equations that describe numbers or relationships

Add and subtract within 20.

Write and interpret numerical expressions.

Work with radicals and integer exponents.

Solve equations and inequalities in one variable.

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

Analyze patterns and relationships.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Generate and analyze patterns.

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

Represent and solve equations and inequalities graphically.

Interpret the structure of expressions.

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

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

Rewrite rational expressions.

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

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

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

Use properties of operations to generate equivalent expressions.

Understand the relationship between zeros and factors of polynomials.

Multiply and divide within 100.

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

Work with addition and subtraction equations.

Solve systems of equations.

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

Represent and analyze quantitative relationships between dependent and independent variables.
problem_activity: Task
A penny is about $\frac{1}{16}$ of an inch thick.
In 2011 there were approximately 5 billion pennies minted. If all of these pennies were placed in a single stack, how many miles high would that stack be?
In the past 100 years, nearly 500 billion pennies have been minted. If all of these pennies were placed in a single stack, how many miles high would that stack be?
The distance from the moon to the earth is about 239,000 miles. How many pennies would need to be in a stack in order to reach the moon?


correct_option_index: 2

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