options: Perform arithmetic operations on polynomials.

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

Work with radicals and integer exponents.

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

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

Write and interpret numerical expressions.

Understand the relationship between zeros and factors of polynomials.

Add and subtract within 20.

Solve equations and inequalities in one variable.

Solve systems of equations.

Generate and analyze patterns.

Interpret the structure of expressions.

Represent and solve equations and inequalities graphically.

Analyze patterns and relationships.

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

Work with addition and subtraction equations.

Multiply and divide within 100.

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

Rewrite rational expressions.

Represent and analyze quantitative relationships between dependent and independent variables.

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

Create equations that describe numbers or relationships

Write expressions in equivalent forms to solve problems.

Use properties of operations to generate equivalent expressions.

Gain familiarity with factors and multiples.

Use polynomial identities to solve problems.

Use the four operations with whole numbers to solve problems.

Reason about and solve one-variable equations and inequalities.

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

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

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Represent and solve problems involving multiplication and division.

Represent and solve problems involving addition and subtraction.
problem_activity: Narrative
The purpose of this activity is for students to choose from activities that offer practice adding two-digit numbers within 100. Students choose from any stage of previously introduced centers.
How Close?
Target Numbers
Five in a Row
Required Materials
Materials to Gather
Materials from previous centers
Required Preparation
Gather materials from:
How Close? Stages 1–3
Target Numbers, Stages 1–3
Five in a Row, Stages 1–6
Launch
Groups of 2
“Now you are going to choose from centers we have already learned.”
Display the center choices in the student book.
“Think about what you would like to do.”
30 seconds: quiet think time
Activity
Invite students to work at the center of their choice.
10 minutes: center work time
Student Facing
Choose a center.
How Close?
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Target Numbers
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Five in a Row
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Activity Synthesis
“Diego and Elena are playing How Close. Diego has a sum of 91. Elena has a sum of 89. Who gets a point for being closer to 100? How do you know?”


correct_option_index: 7