options: Write expressions in equivalent forms to solve problems.

Multiply and divide within 100.

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

Write and interpret numerical expressions.

Work with radicals and integer exponents.

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

Represent and solve problems involving multiplication and division.

Add and subtract within 20.

Solve systems of equations.

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

Gain familiarity with factors and multiples.

Analyze patterns and relationships.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Represent and solve equations and inequalities graphically.

Represent and analyze quantitative relationships between dependent and independent variables.

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

Solve equations and inequalities in one variable.

Generate and analyze patterns.

Rewrite rational expressions.

Create equations that describe numbers or relationships

Interpret the structure of expressions.

Use the four operations with whole numbers to solve problems.

Work with addition and subtraction equations.

Represent and solve problems involving addition and subtraction.

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

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

Reason about and solve one-variable equations and inequalities.

Understand the relationship between zeros and factors of polynomials.

Use polynomial identities to solve problems.

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

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

Use properties of operations to generate equivalent expressions.

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

Perform arithmetic operations on polynomials.
problem_activity: Task
Compare the number of circles in each box. If they are equal, write a number sentence. For example:
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$$4+3=5+1+1$$
If they are not equal, write "not equal."
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correct_option_index: 22