options: Understand the relationship between zeros and factors of polynomials.

Rewrite rational expressions.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Use properties of operations to generate equivalent expressions.

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

Create equations that describe numbers or relationships

Add and subtract within 20.

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

Multiply and divide within 100.

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

Write and interpret numerical expressions.

Solve systems of equations.

Represent and solve equations and inequalities graphically.

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

Perform arithmetic operations on polynomials.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving multiplication and division.

Represent and analyze quantitative relationships between dependent and independent variables.

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

Solve equations and inequalities in one variable.

Generate and analyze patterns.

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

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

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

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

Write expressions in equivalent forms to solve problems.

Use polynomial identities to solve problems.

Gain familiarity with factors and multiples.

Work with radicals and integer exponents.

Work with addition and subtraction equations.

Represent and solve problems involving addition and subtraction.

Interpret the structure of expressions.

Analyze patterns and relationships.

Use the four operations with whole numbers to solve problems.
problem_activity: Stage 2: Add and Subtract within 20
Required Preparation
Materials to Copy
Blackline Masters
Compare Stage 2 Addition Cards to 20
Compare Stage 2 Subtraction Cards to 20

Narrative
Students use cards with addition and subtraction expressions within 20.


correct_option_index: 6