Open Up Math Grade 7 Unit 6 18-19

Lin bought 4 bags of apples. Each bad had the same number of apples. After eating 1 apple from each bag, she had 28 apples left. Which tape diagram best describes the story?

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Tags

CCSS.HSA.CED.A.3

Which equation(s) would match the tape diagram?

• 6 + 3x = 30

• 3(x + 6) = 30

• 3x = 30 - 6

• 30 = 3x + 6

Tags

CCSS.HSA.CED.A.3

Find a solution for the equation:

4x + 17 = 23

• 6

• 6/4

• 4

• 19

Tags

CCSS.7.EE.B.4A

Find a solution for the equation:

4(x + 7) = 38

• 1.42

• 27

• 9.5

• 2.5

Tags

CCSS.7.EE.B.4A

Five students came for after-school tutoring. Lin’s teacher assigned each of them the same number of problems to complete. Then he assigned each student 2 more problems. 30 problems were assigned in all. How many problems were originally assigned to each student?

• 4

• 6

• 10

• 12.5

Five students came for after-school tutoring. Priya’s teacher assigned each of them the same number of problems to complete. Then she assigned 2 more problems to one of the students. 27 problems were assigned in all. How many problems were originally assigned?

• 3.4

• 11

• 5

• 8.5

Solve the following equation:

-3x - 5 = 16

• 24

• 3.6

• -4

• -7

Tags

CCSS.7.EE.B.4A

Solve the following equation:

-4 ( y - 2) = 12

• -1

• -5

• 5

• 1

Tags

CCSS.7.EE.B.4A

Solve the following equation:

8.88 = 4.44 (x - 7)

• -5

• 9

• 3.57

• 5

Tags

CCSS.7.EE.B.4A

Solve the following equation:

5 (y + 1/2) = -10

• 2

• -2 1/2

• 2 1/2

• -2