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

Use polynomial identities to solve problems.

Represent and solve equations and inequalities graphically.

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

Work with radicals and integer exponents.

Gain familiarity with factors and multiples.

Analyze patterns and relationships.

Solve equations and inequalities in one variable.

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

Multiply and divide within 100.

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

Use properties of operations to generate equivalent expressions.

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

Interpret the structure of expressions.

Use the four operations with whole numbers to solve problems.

Create equations that describe numbers or relationships

Write and interpret numerical expressions.

Perform arithmetic operations on polynomials.

Represent and solve problems involving multiplication and division.

Work with addition and subtraction equations.

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

Solve systems of equations.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving addition and subtraction.

Add and subtract within 20.

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

Rewrite rational expressions.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Understand the relationship between zeros and factors of polynomials.

Represent and analyze quantitative relationships between dependent and independent variables.

Write expressions in equivalent forms to solve problems.

Generate and analyze patterns.

Understand properties of multiplication and the relationship between multiplication and division.
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: 0

21