options: Solve equations and inequalities in one variable.

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

Add and subtract within 20.

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

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

Understand the relationship between zeros and factors of polynomials.

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

Create equations that describe numbers or relationships

Solve systems of equations.

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

Perform arithmetic operations on polynomials.

Generate and analyze patterns.

Work with radicals and integer exponents.

Write expressions in equivalent forms to solve problems.

Reason about and solve one-variable equations and inequalities.

Gain familiarity with factors and multiples.

Use properties of operations to generate equivalent expressions.

Use the four operations with whole numbers to solve problems.

Rewrite rational expressions.

Represent and solve equations and inequalities graphically.

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

Work with addition and subtraction equations.

Represent and solve problems involving addition and subtraction.

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

Write and interpret numerical expressions.

Analyze patterns and relationships.

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

Multiply and divide within 100.

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

Represent and solve problems involving multiplication and division.

Use polynomial identities to solve problems.

Interpret the structure of expressions.
problem_activity: Narrative
The purpose of this warm-up is to elicit the idea that there can be a connection between drawings and expressions, which will be useful when students interpret the numbers and symbols in an expression in relation to drawings. While students may notice and wonder many things about the image and expression, the important discussion points are that there are 3 red counters and the number 3 and that there is 1 yellow counter and the number 1.
Launch
Groups of 2
Display the image.
“What do you notice? What do you wonder?”
1 minute: quiet think time
Activity
“Discuss your thinking with your partner.”
1 minute: partner discussion
Share and record responses.
Student Facing
What do you notice?
What do you wonder?
[IMG]
Student Response
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Activity Synthesis
“How many counters are there? How do you see them?” (4. I see 1 yellow  counter and 3 red counters.)
“In the next activity, we will match expressions to drawings.”


correct_option_index: 23