Mid-Chapter Check
  • 1. Which of the following is the definition of equation?
A) A math problem that uses multiplication.
B) The line that seperates the top of the earth from the bottom.
C) The answer to a subtraction problem.
D) A mathematical sentence showing two expressions are equal.
  • 2. Fill in the blank of the following sentence with the correct term. You can solve equations using ___________________ , which undo each other.
A) hot dogs
B) inverse operations
C) order of operations
D) factor trees
  • 3. x + 22 = 27
A) 7
B) 5
C) 0
D) 6
  • 4. 17 + n = 24
A) 15
B) 8
C) 7
D) 6
  • 5. 63 + d = 105
A) 33
B) 42
C) 47
D) 22
  • 6. h + 7.9 = 13
A) 5.1
B) 5.9
C) 6.1
D) 4.3
  • 7. a + 1.6 = 2.1
A) 1.2
B) 1.7
C) 0.5
D) 0.6
  • 8. p - 13 = 29
A) 32
B) 40
C) 38
D) 42
  • 9. y - 9 = 26
A) 27
B) 16
C) 35
D) 39
  • 10. If x + 9.8 = 14.7, what is the value of 8(x -3.7)?
A) 2.2
B) 6.8
C) 3.0
D) 9.6
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