options: Use polynomial identities to solve problems.

Represent and solve problems involving multiplication and division.

Gain familiarity with factors and multiples.

Represent and solve equations and inequalities graphically.

Perform arithmetic operations on polynomials.

Interpret the structure of expressions.

Multiply and divide within 100.

Represent and analyze quantitative relationships between dependent and independent variables.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Analyze patterns and relationships.

Use the four operations with whole numbers to solve problems.

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

Rewrite rational expressions.

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

Work with addition and subtraction equations.

Write and interpret numerical expressions.

Reason about and solve one-variable equations and inequalities.

Solve equations and inequalities in one variable.

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

Understand the relationship between zeros and factors of polynomials.

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

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

Generate and analyze patterns.

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

Represent and solve problems involving addition and subtraction.

Write expressions in equivalent forms to solve problems.

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

Create equations that describe numbers or relationships

Solve systems of equations.

Add and subtract within 20.

Use properties of operations to generate equivalent expressions.

Work with radicals and integer exponents.

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
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: 8