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

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

Represent and analyze quantitative relationships between dependent and independent variables.

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

Represent and solve problems involving multiplication and division.

Understand the relationship between zeros and factors of polynomials.

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

Reason about and solve one-variable equations and inequalities.

Represent and solve equations and inequalities graphically.

Work with radicals and integer exponents.

Generate and analyze patterns.

Rewrite rational expressions.

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

Solve equations and inequalities in one variable.

Perform arithmetic operations on polynomials.

Analyze patterns and relationships.

Write expressions in equivalent forms to solve problems.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Multiply and divide within 100.

Write and interpret numerical expressions.

Use properties of operations to generate equivalent expressions.

Use polynomial identities to solve problems.

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 systems of equations.

Use the four operations with whole numbers to solve problems.

Interpret the structure of expressions.

Create equations that describe numbers or relationships

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

Add and subtract within 20.

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

Work with addition and subtraction equations.

Represent and solve problems involving addition and subtraction.

Gain familiarity with factors and multiples.
problem_activity: Task
What is the last digit of $7^{2011}$?  Explain.
What are the last  two  digits of $7^{2011}$?  Explain.


correct_option_index: 17