options: Add and subtract within 20.

Work with radicals and integer exponents.

Reason about and solve one-variable equations and inequalities.

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

Use properties of operations to generate equivalent expressions.

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

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

Perform arithmetic operations on polynomials.

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

Represent and solve problems involving addition and subtraction.

Interpret the structure of expressions.

Understand the relationship between zeros and factors of polynomials.

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

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

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

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

Create equations that describe numbers or relationships

Multiply and divide within 100.

Generate and analyze patterns.

Use polynomial identities to solve problems.

Represent and analyze quantitative relationships between dependent and independent variables.

Write and interpret numerical expressions.

Write expressions in equivalent forms to solve problems.

Rewrite rational expressions.

Solve equations and inequalities in one variable.

Solve systems of equations.

Represent and solve problems involving multiplication and division.

Analyze patterns and relationships.

Work with addition and subtraction equations.

Represent and solve equations and inequalities graphically.

Gain familiarity with factors and multiples.

Use the four operations with whole numbers to solve problems.

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

Apply and extend previous understandings of arithmetic to algebraic expressions.
problem_activity: Narrative
The purpose of this What Do You Know About _____? is to invite students to share what they know and how they can represent the number 20.
Launch
Display the number 20.
“What do you know about 20?”
1 minute: quiet think time
Activity
Record responses.
Student Facing
What do you know about 20?
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
“What connections do you see between different answers?”
Pick two addition expressions that use different addends and ask, “How are these two expressions related?”


correct_option_index: 0