options: Represent and solve problems involving addition and subtraction.

Write expressions in equivalent forms to solve problems.

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

Represent and analyze quantitative relationships between dependent and independent variables.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Rewrite rational expressions.

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

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

Reason about and solve one-variable equations and inequalities.

Perform arithmetic operations on polynomials.

Write and interpret numerical expressions.

Understand the relationship between zeros and factors of polynomials.

Represent and solve equations and inequalities graphically.

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

Generate and analyze patterns.

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

Work with addition and subtraction equations.

Analyze patterns and relationships.

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

Add and subtract within 20.

Multiply and divide within 100.

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

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

Represent and solve problems involving multiplication and division.

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

Solve equations and inequalities in one variable.

Create equations that describe numbers or relationships

Gain familiarity with factors and multiples.

Use properties of operations to generate equivalent expressions.

Use the four operations with whole numbers to solve problems.

Interpret the structure of expressions.

Use polynomial identities to solve problems.

Solve systems of equations.

Work with radicals and integer exponents.
problem_activity: Narrative
This warm-up prompts students to carefully analyze and compare different arrays. The activity also enables the teacher to hear how they talk about arrays, rows, and columns, and how they find the total number of objects in an array.
Launch
Groups of 2
Display the image.
“Pick one that doesn’t belong. Be ready to share why it doesn’t belong.”
1 minute: quiet think time
Activity
“Discuss your thinking with your partner.”
2–3 minutes: partner discussion
Record responses.
Student Facing
Which one doesn’t belong?
A
[IMG]
B
[IMG]
C
[IMG]
D
[IMG]
Student Response
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Activity Synthesis
“What do B, C, and D have in common?” (They all show arrays with 3 in each row.)
“D has 4 rows and 3 columns. This rectangle is partitioned into equal-size squares.”


correct_option_index: 7