Expressions Quick Check

Which expression is equivalent to 4(2x + 3)

• 4 + 2x + 4 + 3

• 8x + 12

• 8x + 3

• 4 + 2x + 12

Amanda simplifies the following expression and shows her work below. What mistake did Amanda make that resulted in an incorrect answer?

• she added before multiplying

• she subtracted before adding

• she multiplied before dividing 

• she added before dividing

Which of the following expressions is best represented by the model below?

• 3x + 10

• 3x - 2

• 3x + 6

• 3x + 8

Four students write algebraic expressions and equations on their white board. Which of the students wrote expressions?

• Students 1 and 4

• Students 2 and 3

• Students 1, 3, and 4

• Students 2 and 4

Which of the expressions are equivalent?

• A

• B

• C

• D

Sara and her friends go to a football game and get snacks from the concessions. She used various pictures to show what they ordered. Which of the following expressions best represents their order?

• 4d + h + 2f

• 4d + 2h + 2f

• h + 2f + 5d

• 2h + 4f + 3d

What is the prime factorization of 140?

• A

• B

• C

• D

Which of the following CANNOT be written as an expression?

• six times a number less than 9

• eight times the quotient of 6 and 3

• the difference between a number and 12

• five times a number 30

Which set of expressions is equivalent?

• 3 (2x+5) and 6x + 5

• 2(3x+5) and 6x + 15

• 3(2x+5) and 6x + 10

• 2(3x+5) and 6x + 10

 $9\ +\ 3\left(10\div2\right)\ -\ 5^2$  

Determine the value of the expression: