options: Work with addition and subtraction equations.

Represent and analyze quantitative relationships between dependent and independent variables.

Use the four operations with whole numbers to solve problems.

Perform arithmetic operations on polynomials.

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

Work with radicals and integer exponents.

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

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

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

Multiply and divide within 100.

Solve equations and inequalities in one variable.

Analyze patterns and relationships.

Understand the relationship between zeros and factors of polynomials.

Apply and extend previous understandings of arithmetic to algebraic expressions.

Generate and analyze patterns.

Reason about and solve one-variable equations and inequalities.

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

Use polynomial identities to solve problems.

Add and subtract within 20.

Write and interpret numerical expressions.

Rewrite rational expressions.

Write expressions in equivalent forms to solve problems.

Represent and solve problems involving multiplication and division.

Create equations that describe numbers or relationships

Use properties of operations to generate equivalent expressions.

Represent and solve equations and inequalities graphically.

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

Represent and solve problems involving addition and subtraction.

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

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

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

Interpret the structure of expressions.

Solve systems of equations.

Gain familiarity with factors and multiples.
problem_activity: Problem 2
Pre-unit
There are 9 ducks in the pond.
There are 7 ducks on the grass.
How many ducks are on the pond and in the grass?
Show your thinking using drawings, numbers, or words.


correct_option_index: 27