options: Create equations that describe numbers or relationships

Represent and solve equations and inequalities graphically.

Work with addition and subtraction equations.

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

Multiply and divide within 100.

Write expressions in equivalent forms to solve problems.

Solve systems of equations.

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

Represent and solve problems involving addition and subtraction.

Interpret the structure of expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

Understand the relationship between zeros and factors of polynomials.

Use polynomial identities to solve problems.

Work with radicals and integer exponents.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Add and subtract within 20.

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

Generate and analyze patterns.

Perform arithmetic operations on polynomials.

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.

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

Rewrite rational expressions.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving multiplication and division.

Write and interpret numerical expressions.

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

Solve equations and inequalities in one variable.

Use properties of operations to generate equivalent expressions.

Analyze patterns and relationships.

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

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

Gain familiarity with factors and multiples.

Understand the connections between proportional relationships, lines, and linear equations.
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: 15