options: Gain familiarity with factors and multiples.

Use properties of operations to generate equivalent expressions.

Write and interpret numerical expressions.

Create equations that describe numbers or relationships

Multiply and divide within 100.

Perform arithmetic operations on polynomials.

Understand the relationship between zeros and factors of polynomials.

Write expressions in equivalent forms to solve problems.

Generate and analyze patterns.

Work with addition and subtraction equations.

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

Analyze patterns and relationships.

Add and subtract within 20.

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

Rewrite rational expressions.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Solve systems of equations.

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

Use polynomial identities to solve problems.

Work with radicals and integer exponents.

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

Represent and analyze quantitative relationships between dependent and independent variables.

Represent and solve equations and inequalities graphically.

Represent and solve problems involving addition and subtraction.

Reason about and solve one-variable equations and inequalities.

Interpret the structure of expressions.

Use the four operations with whole numbers to solve problems.

Solve equations and inequalities in one variable.

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

Represent and solve problems involving multiplication and division.

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

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

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

Solve problems involving the four operations, and identify and explain patterns in arithmetic.
problem_activity: Narrative
The purpose of this Number Talk is to elicit understandings students have for adding and subtracting within 20 using the strategy of making a ten.
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 strategy.
Keep expressions and work displayed.
Repeat with each expression.
Student Facing
Find the value of each expression mentally.
\(10 + 4\)
\(9 + 4\)
\(9 + 6\)
\(15 – 6\)
Student Response
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Activity Synthesis
“Did anyone approach the problem in a different way?”


correct_option_index: 12