options: Represent and solve problems involving addition and subtraction.

Apply and extend previous understandings of arithmetic to algebraic expressions.

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

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

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

Use the four operations with whole numbers to solve problems.

Write and interpret numerical expressions.

Work with radicals and integer exponents.

Rewrite rational expressions.

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

Represent and solve equations and inequalities graphically.

Represent and solve problems involving multiplication and division.

Use polynomial identities to solve problems.

Write expressions in equivalent forms to solve problems.

Create equations that describe numbers or relationships

Reason about and solve one-variable equations and inequalities.

Interpret the structure of expressions.

Understand the relationship between zeros and factors of polynomials.

Analyze patterns and relationships.

Work with addition and subtraction equations.

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

Multiply and divide within 100.

Perform arithmetic operations on polynomials.

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

Solve systems of equations.

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

Gain familiarity with factors and multiples.

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

Generate and analyze patterns.

Solve equations and inequalities in one variable.

Represent and analyze quantitative relationships between dependent and independent variables.

Add and subtract within 20.

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

Use properties of operations to generate equivalent expressions.
problem_activity: Task
State the meaning of each of the following expressions and draw a picture that represents it.
$$(3\times5)+4$$
$$3\times(5+4)$$
State the meaning of this expression:
$$3\times5+4$$
How do you know?
State the meaning of each of the following expressions and draw a picture that represents it.
$$(3+5)\times4$$
$$3+(5\times4)$$
State the meaning of this expression:
$$3+5\times4$$
How do you know?


correct_option_index: 6