Expressions Quick Check

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

• 4 + 2x + 4 + 3

• 8x + 12

• 8x + 3

• 4 + 2x + 12

Tags

CCSS.6.EE.A.4

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

14 − 8 ÷ 2 + 3 ∙ 4

14 − 4 + 3 ∙ 4

14 – 7 ∙ 4

14 − 28

-14

• She added before multiplying

• She subtracted before adding

• She multiplied before dividing

• She added before dividing

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

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

• 3x + 10

• 3x - 2

• 3x + 6

• 3x + 8

Tags

CCSS.HSF.BF.A.2

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 two expressions are equivalent?

• 4 (2 + x)

  and

  4 ∙ 2 + 2 ∙ x

• 4 + 2 + x

  and

  (4 + 2) + x

• 4 ∙ x + 2

  and

  4 ∙ (x + 2)

• 4 ÷ (2 – x)

  and

  4 – 2 ÷ x

Tags

CCSS.6.EE.A.4

Sara and her friends go to a football game and get snacks from the concessions. She uses 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

Tags

CCSS.HSA-SSE.A.1A

What is the prime factorization of 140?

• 4 · 5 · 7

Which of the following cannot be written as an expression?

• six times a number less nine

• eight times the quotient of 6 and 3

• the difference between a number and 12

• five times a number is 30

Tags

CCSS.6.EE.A.4

Which of the 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

Tags

CCSS.6.EE.A.4

Tags

CCSS.7.NS.A.3