options: Solve systems of equations.

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

Represent and solve problems involving multiplication and division.

Understand the relationship between zeros and factors of polynomials.

Work with addition and subtraction equations.

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

Use polynomial identities to solve problems.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

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

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

Multiply and divide within 100.

Perform arithmetic operations on polynomials.

Represent and solve problems involving addition and subtraction.

Gain familiarity with factors and multiples.

Represent and analyze quantitative relationships between dependent and independent variables.

Work with radicals and integer exponents.

Solve equations and inequalities in one variable.

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

Write and interpret numerical expressions.

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

Interpret the structure of expressions.

Generate and analyze patterns.

Reason about and solve one-variable equations and inequalities.

Add and subtract within 20.

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

Write expressions in equivalent forms to solve problems.

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.

Create equations that describe numbers or relationships

Represent and solve equations and inequalities graphically.

Analyze patterns and relationships.

Rewrite rational expressions.

Use the four operations with whole numbers to solve problems.
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: 24