options: Use properties of operations to generate equivalent expressions.

Write and interpret numerical expressions.

Add and subtract within 20.

Work with addition and subtraction equations.

Multiply and divide within 100.

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

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

Analyze patterns and relationships.

Use the four operations with whole numbers 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.

Use polynomial identities to solve problems.

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

Represent and solve problems involving multiplication and division.

Reason about and solve one-variable equations and inequalities.

Interpret the structure of expressions.

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

Generate and analyze patterns.

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

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

Work with radicals and integer exponents.

Rewrite rational expressions.

Perform arithmetic operations on polynomials.

Represent and analyze quantitative relationships between dependent and independent variables.

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

Represent and solve problems involving addition and subtraction.

Solve equations and inequalities in one variable.

Understand the relationship between zeros and factors of polynomials.

Write expressions in equivalent forms to solve problems.

Solve systems of equations.

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

Represent and solve equations and inequalities graphically.

Gain familiarity with factors and multiples.

Create equations that describe numbers or relationships
problem_activity: Stage 3: Add 2 Hands
Required Preparation
Materials to Copy
Blackline Masters
Math Fingers Stage 3 Recording Sheet

Narrative
Each partner holds up some fingers on one hand. Partners work together to figure out how many fingers are up altogether.


correct_option_index: 18