Rewriting Subtraction Addition

Which are the correct steps for rewriting a subtraction problem into addition?

• Keep first number the same
  Change Subtraction sign
  Change second number to opposite

• Keep first number the same
  Change Subtraction into Addition
  Change second number to opposite

• Change the first number into the opposite
  Change Subtraction to Addition
  Keep second number the same

• Change the first number into the opposite
  Change Subtraction to Addition
  Change second number to opposite

Tags

CCSS.7.NS.A.1C

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
−8 − 5

• 8 + 5

• 8 + (−5)

• −8 + 5

• −8 + (−5)

Tags

CCSS.7.NS.A.1B

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
7 − 12

• 7 + 12

• 7 + (−12)

• −7 + 12

• −7 + (−12)

Tags

CCSS.7.NS.A.1C

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
−8 − 8

• −8 + (−8)

• −8 + 8

• 8 + (−8)

• 8 + 8

Tags

CCSS.7.NS.A.1B

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
10 − (−3)

• −10 + (−3)

• 10 + (−3)

• −10 + 3

• 10 + 3

Tags

CCSS.7.NS.A.1C

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
6 − 2

• −6 + 2

• −6 + (−2)

• 6 + (−2)

• 6 + 2

Tags

CCSS.7.NS.A.1B

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
−8 − (−4)

• −8 − 4

• −8 + 4

• 8 + (−4)

• −8 + (−4)

Tags

CCSS.7.NS.A.1B

Which of the answers show the subtraction problem correctly rewritten as an addition problem?
−5 − (−9)

• −5 + 9

• −5 + (−9)

• 5 + (−9)

• 5 + 9

Tags

CCSS.7.NS.A.1B

Who rewrote their subtraction problem correctly as an addition problem?

• Shannon
  7 − (−3)
  7 + (−3)

• Peter
  −5 − 4
  − 5 + 4

• Aaliyah
  −6 − (−1)
  −6 + (−1)

• Tyrone
  −2 − 8
  −2 + (−8)

Tags

CCSS.7.NS.A.1D

Rewrite -6-11 as an addition expression:

• -6+11

• -6-(-11)

• -6+(-11)

• 6+(-11)

Tags

CCSS.7.NS.A.1B