Finish all math problems. Add or Subtract to get the correct answer.

• 1) 8 + 4 =
  

  15
  7
  2
  12
  10
• 2) 2 + 1 =
  

  3
  5
  1
  9
  7
• 3) 5 - 2 =
  

  1
  4
  3
  7
  10
• 4) 4 + 3 =
  

  4
  2
  1
  7
  2
• 5) 6 + 5 =
  

  10
  11
  13
  8
  9
• 6) 10 - 3 =
  

  2
  6
  9
  7
  1
• 7) 7 - 7 =
  

  0
  1
  2
  7
  14
• 8) 10 - 0 =
  

  0
  10
  9
  1
  5
• 9) 3 + 3 =
  

  5
  1
  2
  3
  6
• 10) 9 - 5 =
  

  3
  4
  1
  8
  13
• 11) 8 - 7 =
  

  8
  4
  1
  12
  7
• 12) 4 + 1 =
  

  14
  9
  4
  1
  5