options: Use the four operations with whole numbers to solve problems.

Perform arithmetic operations on polynomials.

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

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

Write expressions in equivalent forms to solve problems.

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

Work with addition and subtraction equations.

Gain familiarity with factors and multiples.

Create equations that describe numbers or relationships

Add and subtract within 20.

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

Solve systems of equations.

Analyze patterns and relationships.

Represent and solve problems involving addition and subtraction.

Understand the relationship between zeros and factors of polynomials.

Rewrite rational expressions.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

Use properties of operations to generate equivalent expressions.

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

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

Work with radicals and integer exponents.

Represent and solve problems involving multiplication and division.

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

Multiply and divide within 100.

Represent and solve equations and inequalities graphically.

Interpret the structure of expressions.

Generate and analyze patterns.

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

Reason about and solve one-variable equations and inequalities.

Use polynomial identities to solve problems.

Solve equations and inequalities in one variable.

Write and interpret numerical expressions.

Represent and analyze quantitative relationships between dependent and independent variables.
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: 9