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

Rewrite rational expressions.

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

Interpret the structure of expressions.

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

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

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Write expressions in equivalent forms to solve problems.

Generate and analyze patterns.

Create equations that describe numbers or relationships

Solve equations and inequalities in one variable.

Use properties of operations to generate equivalent expressions.

Add and subtract within 20.

Work with addition and subtraction equations.

Reason about and solve one-variable equations and inequalities.

Analyze patterns and relationships.

Perform arithmetic operations on polynomials.

Represent and solve problems involving multiplication and division.

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

Represent and solve problems involving addition and subtraction.

Work with radicals and integer exponents.

Write and interpret numerical expressions.

Use polynomial identities to solve problems.

Represent and solve equations and inequalities graphically.

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

Use the four operations with whole numbers to solve problems.

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

Gain familiarity with factors and multiples.

Understand the relationship between zeros and factors of polynomials.

Solve systems of equations.

Multiply and divide within 100.

Represent and analyze quantitative relationships between dependent and independent variables.
problem_activity: Task
Maned wolves are a threatened species that live in South America. People estimate that there are about 24,000 of them living in the wild.
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The dhole is an endangered species that lives in Asia. People estimate there are ten times as many maned wolves as dholes living in the wild.
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About how many dholes are there living in the wild?


correct_option_index: 27