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

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

Represent and solve equations and inequalities graphically.

Solve equations and inequalities in one variable.

Add and subtract within 20.

Rewrite rational expressions.

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

Work with addition and subtraction equations.

Reason about and solve one-variable equations and inequalities.

Perform arithmetic operations on polynomials.

Represent and analyze quantitative relationships between dependent and independent variables.

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

Solve systems of equations.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Represent and solve problems involving addition and subtraction.

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

Write and interpret numerical expressions.

Write expressions in equivalent forms to solve problems.

Gain familiarity with factors and multiples.

Represent and solve problems involving multiplication and division.

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

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

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

Use the four operations with whole numbers to solve problems.

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

Interpret the structure of expressions.

Create equations that describe numbers or relationships

Understand the relationship between zeros and factors of polynomials.

Use polynomial identities to solve problems.

Use properties of operations to generate equivalent expressions.

Generate and analyze patterns.

Work with radicals and integer exponents.

Multiply and divide within 100.

Analyze patterns and 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: 12

20