Expressions

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

• 4 + 2x + 4 + 3

• 8x + 3

• 8x + 12

• 4 + 2x +12

Tags

CCSS.6.EE.A.4

Amanda simplifies the following expression and shows her work below.

What mistake did she 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?

• 3x + 10

• 3x - 2

• 3x + 6

• 3x + 8

Tags

CCSS.6.EE.B.6

Four students wrote algebraic expressions and equations on their whiteboards. Which of the students wrote expressions? (There may be more than one correct answer)

• Student 1

• Student 2

• Student 3

• Student 4

Which two expressions are equivalent?

• 4(2 + x)

  4 ⋅ 2 + 2 ⋅ x

• 4 + 2 + x

  (4 + 2) + x

• 4 ⋅ x + 2

  4 ⋅ (x + 2)

• 4 ÷ (2 − x)

  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?

• 2² ⋅ 3 ⋅ 7

• 2³ ⋅ 7

• 4 ⋅ 5 ⋅ 7

• 2² ⋅ 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.7.EE.A.2

CCSS.HSA.SSE.A.2

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

Determine the value of the expression below.

9 + 3(10 ÷ 2) − 5²

• 14

• 35

• -1

• 50

Tags

CCSS.7.NS.A.3