options: Multiply and divide within 100.

Represent and analyze quantitative relationships between dependent and independent variables.

Write and interpret numerical expressions.

Analyze patterns and relationships.

Perform arithmetic operations on polynomials.

Rewrite rational expressions.

Work with radicals and integer exponents.

Understand the relationship between zeros and factors of polynomials.

Write expressions in equivalent forms to solve problems.

Use the four operations with whole numbers to solve problems.

Work with addition and subtraction equations.

Interpret the structure of expressions.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Represent and solve problems involving addition and subtraction.

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

Use properties of operations to generate equivalent expressions.

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

Add and subtract within 20.

Solve systems of equations.

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

Create equations that describe numbers or relationships

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

Represent and solve equations and inequalities graphically.

Represent and solve problems involving multiplication and division.

Solve equations and inequalities in one variable.

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

Gain familiarity with factors and multiples.

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

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

Generate and analyze patterns.

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

Use polynomial identities to solve problems.

Reason about and solve one-variable equations and inequalities.
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: 9