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

Use properties of operations to generate equivalent expressions.

Perform arithmetic operations on polynomials.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving multiplication and division.

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

Represent and analyze quantitative relationships between dependent and independent variables.

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

Write expressions in equivalent forms to solve problems.

Create equations that describe numbers or relationships

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

Add and subtract within 20.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Multiply and divide within 100.

Represent and solve equations and inequalities graphically.

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

Work with addition and subtraction equations.

Work with radicals and integer exponents.

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

Gain familiarity with factors and multiples.

Analyze patterns and relationships.

Write and interpret numerical expressions.

Solve equations and inequalities in one variable.

Interpret the structure of expressions.

Use polynomial identities to solve problems.

Represent and solve problems involving addition and subtraction.

Rewrite rational expressions.

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

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

Understand the relationship between zeros and factors of polynomials.

Use the four operations with whole numbers to solve problems.

Solve systems of equations.

Generate and analyze patterns.
problem_activity: Stage 3: Add 7, 8, or 9
Required Preparation
Materials to Gather
Number cards 0–10
Two-color counters
Materials to Copy
Blackline Masters
Five in a Row Addition and Subtraction Stage 3 Gameboard

Narrative
Students choose a number card 0-10 and choose to add 7, 8, or 9 to the number on their card and then place their counter on the sum.
Additional Information
Each group of 2 needs 25 counters.


correct_option_index: 11