$$\textbf{\textcolor{#4257b2}{Challenge}}$$

Write an equation of the type $ax = b$ where $x = 0$ is a solution.

Write as an algebraic expression.

the perimeter of a square with side s

Use the commutative and associative properties to write two expressions equivalent to each expression.

$$2(x + 3)y$$

Write as an algebraic expression.

twice a number

Collect like terms.

$$5 + 6h + t + 8 + 9h$$

Solve for the given replacement set.

$$7.2y = 36\ \ \ \ \{5, 50, 500\}$$

For what value of $x$ will $\dfrac{4x + 2}{2} - x$ equal $7$?

$$\begin{array}{cccc} \textbf{A.} \ 4 \hspace{50pt} & \textbf{B.} \ 5 \hspace{50pt} & \textbf{C.} \ 6 \hspace{50pt} & \textbf{D.} \ 7\\ \end{array}$$

$$\textbf{\textcolor{#4257b2}{Challenge}}$$

Write an equation for which every whole number is a solution.

Simplify.

$$\dfrac{7}{56}$$

Write as an algebraic expression.

four more than a number

$$\textbf{\textcolor{#4257b2}{Challenge}}$$

Write an equation that has no whole number solution.

Calculate.

$$\dfrac{4.8}{10}$$

Write as an algebraic expression.

the area of a rectangle with length $l$ and width $w$

Collect like terms.

$$8u^2 + 3t + 10t + 6u^2 + 2$$