options: Perform arithmetic operations on polynomials.

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

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

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

Work with radicals and integer exponents.

Gain familiarity with factors and multiples.

Reason about and solve one-variable equations and inequalities.

Solve systems of equations.

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

Write and interpret numerical expressions.

Rewrite rational expressions.

Understand the relationship between zeros and factors of polynomials.

Use properties of operations to generate equivalent expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

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

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

Write expressions in equivalent forms to solve problems.

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

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

Add and subtract within 20.

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

Represent and solve problems involving addition and subtraction.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Work with addition and subtraction equations.

Use the four operations with whole numbers to solve problems.

Use polynomial identities to solve problems.

Represent and solve problems involving multiplication and division.

Interpret the structure of expressions.

Generate and analyze patterns.

Analyze patterns and relationships.

Multiply and divide within 100.

Represent and solve equations and inequalities graphically.

Create equations that describe numbers or relationships

Solve equations and inequalities in one variable.
problem_activity: Narrative
This Number Talk encourages students to think about how they may use known sums and differences to find the value of other sums and differences. This understanding will be helpful as students continue building fluency with addition and subtraction within 20.
Launch
Display one expression.
“Give me a signal when you have an answer and can explain how you got it.”
1 minute: quiet think time
Activity
Record answers and strategies.
Keep expressions and work displayed.
Repeat with each expression.
Student Facing
Find the value of each expression mentally.
\(10 - 5\)
\(11 - 5\)
\(12 - 6\)
\(13 - 6\)
Student Response
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Activity Synthesis
“How did the third expression help you find the value of the last expression?”


correct_option_index: 19