options: Generate and analyze patterns.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Add and subtract within 20.

Represent and analyze quantitative relationships between dependent and independent variables.

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

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

Represent and solve problems involving multiplication and division.

Create equations that describe numbers or relationships

Work with addition and subtraction equations.

Multiply and divide within 100.

Perform arithmetic operations on polynomials.

Solve equations and inequalities in one variable.

Represent and solve problems involving addition and subtraction.

Reason about and solve one-variable equations and inequalities.

Understand the relationship between zeros and factors of polynomials.

Use the four operations with whole numbers to solve problems.

Use properties of operations to generate equivalent expressions.

Write and interpret numerical expressions.

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

Analyze patterns and relationships.

Rewrite rational expressions.

Interpret the structure of expressions.

Write expressions in equivalent forms to solve problems.

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

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

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

Solve systems of equations.

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

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

Gain familiarity with factors and multiples.

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

Represent and solve equations and inequalities graphically.

Use polynomial identities to solve problems.

Work with radicals and integer exponents.
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
Teachers with a valid work email address can
click here to register or sign in
for free access to Student Response.
Activity Synthesis
“Did anyone approach the problem in a different way?”


correct_option_index: 2