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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Reason about and solve one-variable equations and inequalities.

Work with addition and subtraction equations.

Add and subtract within 20.

Interpret the structure of expressions.

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

Rewrite rational expressions.

Represent and solve problems involving addition and subtraction.

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

Write and interpret numerical expressions.

Gain familiarity with factors and multiples.

Represent and solve problems involving multiplication and division.

Represent and solve equations and inequalities graphically.

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

Perform arithmetic operations on polynomials.

Solve equations and inequalities in one variable.

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

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

Use properties of operations to generate equivalent expressions.

Solve systems of equations.

Work with radicals and integer exponents.

Understand the relationship between zeros and factors of polynomials.

Analyze patterns and relationships.

Use polynomial identities to solve problems.

Write expressions in equivalent forms to solve problems.

Multiply and divide within 100.

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

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

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

Represent and analyze quantitative relationships between dependent and independent variables.

Use the four operations with whole numbers to solve problems.

Generate and analyze patterns.

Create equations that describe numbers or relationships
problem_activity: Task
The product of two positive numbers is 9. The reciprocal of one of
these numbers is 4 times the reciprocal of the other number. What is
the sum of the two numbers?


correct_option_index: 9

20