options: Multiply and divide within 100.

Write and interpret numerical expressions.

Analyze patterns and relationships.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Use properties of operations to generate equivalent expressions.

Solve equations and inequalities in one variable.

Use polynomial identities to solve problems.

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

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

Add and subtract within 20.

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

Solve systems of equations.

Represent and analyze quantitative relationships between dependent and independent variables.

Use the four operations with whole numbers to solve problems.

Gain familiarity with factors and multiples.

Create equations that describe numbers or relationships

Write expressions in equivalent forms to solve problems.

Work with addition and subtraction equations.

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

Represent and solve problems involving addition and subtraction.

Work with radicals and integer exponents.

Reason about and solve one-variable equations and inequalities.

Understand the relationship between zeros and factors of polynomials.

Rewrite rational expressions.

Represent and solve problems involving multiplication and division.

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

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

Represent and solve equations and inequalities graphically.

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

Generate and analyze patterns.

Perform arithmetic operations on polynomials.

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

Interpret the structure of expressions.
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: 3