Level 2
Study the pattern. What is the missing number?
1620, 1740, 1860,              , 2100
3 m
Level 1
What number must be added to 3456 to get 3650?
2 m
Level 1
What number must be subtracted from 3650 to get 3456?
2 m
Level 1
What is the missing digit?
3567 + 3569 = 71___6
2 m
Level 1
What is the missing digit?
3153 + 948 = 410___
2 m
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