Introduction to integer subtraction

Lessons

1. What subtraction statement does each of the following diagrams represent?
   +1:
   -1:
   
   1. 
      
      
   2. 
      
      
   3. 
      
      
   4. 
      
      
2. Find the two differences between each pair of integers.
   1. +2, + 9
   2. +1, -5
   3. -3, -7
3. Use integer subtraction to find the difference for the following situations.
   1. Bob had 10 chocolate bars and he ate 3 of them.
   2. Jamie earned $20 yesterday and $18 today. How much more money did he earn yesterday than today?
   3. Tom borrowed $8 from John last week. This week Tom gave John $5 back. How much did Tom still owe?
4. Find the missing values.
   1. (+8) – (__) = +5
   2. (__) – (+6) = – 2
   3. (– 5) – (__) = – 1
   4. (__) – (– 8) = +6