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

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

Understand the relationship between zeros and factors of polynomials.

Represent and solve problems involving multiplication and division.

Use polynomial identities to solve problems.

Create equations that describe numbers or relationships

Gain familiarity with factors and multiples.

Add and subtract within 20.

Generate and analyze patterns.

Solve equations and inequalities in one variable.

Use the four operations with whole numbers to solve problems.

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.

Reason about and solve one-variable equations and inequalities.

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

Solve systems of equations.

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

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

Represent and solve equations and inequalities graphically.

Write expressions in equivalent forms to solve problems.

Interpret the structure of expressions.

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

Work with addition and subtraction equations.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Write and interpret numerical expressions.

Analyze patterns and relationships.

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

Represent and solve problems involving addition and subtraction.

Perform arithmetic operations on polynomials.

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

Multiply and divide within 100.

Work with radicals and integer exponents.

Use properties of operations to generate equivalent expressions.

Rewrite rational expressions.
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