options: Reason about and solve one-variable equations and inequalities.

Multiply and divide within 100.

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

Solve systems of equations.

Analyze patterns and relationships.

Add and subtract within 20.

Represent and solve problems involving multiplication and division.

Use polynomial identities to solve problems.

Write and interpret numerical expressions.

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

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Write expressions in equivalent forms to solve problems.

Gain familiarity with factors and multiples.

Perform arithmetic operations on polynomials.

Create equations that describe numbers or relationships

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

Represent and solve problems involving addition and subtraction.

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

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

Interpret the structure of expressions.

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

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

Use the four operations with whole numbers to solve problems.

Work with addition and subtraction equations.

Solve equations and inequalities in one variable.

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

Represent and analyze quantitative relationships between dependent and independent variables.

Generate and analyze patterns.

Rewrite rational expressions.

Understand the relationship between zeros and factors of polynomials.

Work with radicals and integer exponents.

Represent and solve equations and inequalities graphically.

Use properties of operations to generate equivalent expressions.
problem_activity: Problem 3
Pre-unit
How many dots are in each array? Explain or show your reasoning.
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correct_option_index: 9