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

Add and subtract within 20.

Use properties of operations to generate equivalent expressions.

Solve equations and inequalities in one variable.

Represent and solve equations and inequalities graphically.

Work with radicals and integer exponents.

Work with addition and subtraction equations.

Represent and solve problems involving multiplication and division.

Interpret the structure of expressions.

Represent and solve problems involving addition and subtraction.

Use the four operations with whole numbers to solve problems.

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

Reason about and solve one-variable equations and inequalities.

Use polynomial identities to solve problems.

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

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

Solve systems of equations.

Represent and analyze quantitative relationships between dependent and independent variables.

Create equations that describe numbers or relationships

Analyze patterns and relationships.

Perform arithmetic operations on polynomials.

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

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

Write expressions in equivalent forms to solve problems.

Multiply and divide within 100.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Generate and analyze patterns.

Understand the relationship between zeros and factors of polynomials.

Gain familiarity with factors and multiples.

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

Write and interpret numerical expressions.

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

Rewrite rational expressions.
problem_activity: Gino’s rectangular backyard is 80 feet by 65 feet. Denae’s rectangular backyard is 85 feet by 60 feet.
a.   Whose backyard has a greater area? By how much?
b.   Whose backyard has a larger perimeter? By how much?


correct_option_index: 10