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

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

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

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

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

Create equations that describe numbers or relationships

Apply and extend previous understandings of arithmetic to algebraic expressions.

Work with radicals and integer exponents.

Use polynomial identities to solve problems.

Use the four operations with whole numbers to solve problems.

Use properties of operations to generate equivalent expressions.

Represent and solve equations and inequalities graphically.

Work with addition and subtraction equations.

Represent and analyze quantitative relationships between dependent and independent variables.

Solve systems of equations.

Rewrite rational expressions.

Represent and solve problems involving addition and subtraction.

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

Analyze patterns and relationships.

Perform arithmetic operations on polynomials.

Understand the relationship between zeros and factors of polynomials.

Add and subtract within 20.

Write expressions in equivalent forms to solve problems.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving multiplication and division.

Gain familiarity with factors and multiples.

Interpret the structure of expressions.

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

Generate and analyze patterns.

Multiply and divide within 100.

Write and interpret numerical expressions.

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

Solve equations and inequalities in one variable.

Understand solving equations as a process of reasoning and explain the reasoning.
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: 6