options: Add and subtract within 20.

Use properties of operations to generate equivalent expressions.

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

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

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

Interpret the structure of expressions.

Work with radicals and integer exponents.

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

Solve equations and inequalities in one variable.

Rewrite rational expressions.

Create equations that describe numbers or relationships

Represent and solve problems involving addition and subtraction.

Understand the relationship between zeros and factors of polynomials.

Represent and solve equations and inequalities graphically.

Use the four operations with whole numbers to solve problems.

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

Represent and solve problems involving multiplication and division.

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

Use polynomial identities to solve problems.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Write expressions in equivalent forms to solve problems.

Multiply and divide within 100.

Perform arithmetic operations on polynomials.

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

Gain familiarity with factors and multiples.

Generate and analyze patterns.

Reason about and solve one-variable equations and inequalities.

Write and interpret numerical expressions.

Solve systems of equations.

Represent and analyze quantitative relationships between dependent and independent variables.

Analyze patterns and relationships.

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

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

Work with addition and subtraction equations.
problem_activity: Task
Lena paid \$18.96 for 3 pounds of coffee.
What is the cost per pound for this coffee?
How many pounds of coffee could she buy for \$1.00?
Draw a graph in the coordinate plane of the relationship between the number of pounds of coffee and the total cost.
In this situation, what is the meaning of the slope of the line you drew in part (c)?


correct_option_index: 4