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

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

Apply and extend previous understandings of arithmetic to algebraic expressions.

Use properties of operations to generate equivalent expressions.

Analyze patterns and relationships.

Work with radicals and integer exponents.

Multiply and divide within 100.

Write expressions in equivalent forms to solve problems.

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

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

Represent and solve problems involving multiplication and division.

Reason about and solve one-variable equations and inequalities.

Represent and solve problems involving addition and subtraction.

Write and interpret numerical expressions.

Perform arithmetic operations on polynomials.

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

Generate and analyze patterns.

Solve systems of equations.

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

Work with addition and subtraction equations.

Rewrite rational expressions.

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

Interpret the structure of expressions.

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

Create equations that describe numbers or relationships

Solve equations and inequalities in one variable.

Gain familiarity with factors and multiples.

Understand the relationship between zeros and factors of polynomials.

Represent and solve equations and inequalities graphically.

Use polynomial identities to solve problems.

Represent and analyze quantitative relationships between dependent and independent variables.

Use the four operations with whole numbers to solve problems.

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

Add and subtract within 20.
problem_activity: Problem 1
Expand each expression below as a product of two linear binomials and then multiply to write the product in standard form.
a.
$${(x-5)^2}$$
b.
$${(x+4)^2}$$
c.
$${(x-3)^2}$$
d.
$${(2x+1)^2}$$
e.
$${(3x-2)^2}$$
Describe any patterns you notice between the square of the linear binomial and the resulting quadratic trinomial.
Problem 2
Solve the quadratic equation and then sketch a graph of the parabola.
$${y=(x-4)^2}$$
Problem 3
What is the value of
$$c$$
in the equation below such that the quadratic equation is a perfect square trinomial?
$$y=x^2+12x+c$$


correct_option_index: 7

22