Level 1
What is the missing number?
9156 - 247 = 8___09
2 m
Level 1
3824 +             = 5700
2 m
Level 1
5729 = 5000 +           + 9
2 m
Level 1
What must be added to 409 to make 1000?
2 m
Level 1
What is the missing number?
          - 2938 = 4438
2 m