options: Use properties of operations to generate equivalent expressions.

Write expressions in equivalent forms to solve problems.

Understand the relationship between zeros and factors of polynomials.

Represent and solve problems involving multiplication and division.

Solve equations and inequalities in one variable.

Use the four operations with whole numbers to solve problems.

Work with radicals and integer exponents.

Work with addition and subtraction equations.

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

Perform arithmetic operations on polynomials.

Represent and solve problems involving addition and subtraction.

Represent and analyze quantitative relationships between dependent and independent variables.

Rewrite rational expressions.

Interpret the structure of expressions.

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.

Write and interpret numerical expressions.

Solve systems of equations.

Gain familiarity with factors and multiples.

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

Multiply and divide within 100.

Reason about and solve one-variable equations and inequalities.

Generate and analyze patterns.

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.

Analyze patterns and relationships.

Represent and solve equations and inequalities graphically.

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

Add and subtract within 20.

Create equations that describe numbers or relationships

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

Use polynomial identities to solve problems.

Understand and apply properties of operations and the relationship between 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: 29