options: Understand and apply properties of operations and the relationship between 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.

Use polynomial identities to solve problems.

Represent and analyze quantitative relationships between dependent and independent variables.

Reason about and solve one-variable equations and inequalities.

Add and subtract within 20.

Write and interpret numerical expressions.

Create equations that describe numbers or relationships

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

Understand the relationship between zeros and factors of polynomials.

Solve equations and inequalities in one variable.

Work with radicals and integer exponents.

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

Write expressions in equivalent forms to solve problems.

Rewrite rational expressions.

Gain familiarity with factors and multiples.

Represent and solve equations and inequalities graphically.

Work with addition and subtraction equations.

Analyze patterns and relationships.

Interpret the structure of expressions.

Generate and analyze patterns.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Use properties of operations to generate equivalent expressions.

Perform arithmetic operations on polynomials.

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

Represent and solve problems involving multiplication and division.

Multiply and divide within 100.

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

Use the four operations with whole numbers to solve problems.

Solve systems of equations.

Represent and solve problems involving addition and subtraction.

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

Understand the connections between proportional relationships, lines, and linear equations.
problem_activity: Task
For each set of numbers below, pick two numbers that add to make six. Write an equation that shows that those two numbers add to make 6.
3,    5,     3
6,     0,     2
1,     6,     5
3,     2,     4
4,     2,     6


correct_option_index: 28