| 107918 | Add Whole Numbers · Exercise 52 | Easy | |
| 107920 | Add Whole Numbers · Exercise 54 | Easy | |
| 107922 | Add Whole Numbers · Exercise 56 | Easy | |
| 107924 | Add Whole Numbers · Exercise 58 | Easy | |
| 107926 | Add Whole Numbers · Exercise 60 | Easy | |
| 107928 | Add Whole Numbers · Exercise 62 | Easy | |
| 107930 | Add Whole Numbers · Exercise 64 | Easy | |
| 107932 | Add Whole Numbers · Exercise 66 | Easy | |
| 107934 | Add Whole Numbers · Exercise 68 | Easy | |
| 107936 | Add Whole Numbers · Exercise 78 | Medium | |
| 107939 | Add Whole Numbers · Exercise 81 | Medium | |
| 107940 | Add Whole Numbers · Exercise 82 | Medium | |
| 107944 | Subtract Whole Numbers · Example 2 | Easy | |
| 107945 | Subtract Whole Numbers · Try It 3 | Easy | |
| 107946 | Subtract Whole Numbers · Try It 4 | Easy | |
| 107947 | Subtract Whole Numbers · Example 3 | Easy | |
| 107948 | Subtract Whole Numbers · Try It 5 | Easy | |
| 107949 | Subtract Whole Numbers · Try It 6 | Easy | |
| 107950 | Subtract Whole Numbers · Example 4 | Easy | |
| 107951 | Subtract Whole Numbers · Try It 7 | Easy | |
| 107952 | Subtract Whole Numbers · Try It 8 | Easy | |
| 107959 | Subtract Whole Numbers · Example 7 | Easy | |
| 107962 | Subtract Whole Numbers · Example 8 | Easy | |
| 107965 | Subtract Whole Numbers · Example 9 | Easy | |
| 107968 | Subtract Whole Numbers · Example 10 | Easy | |
| 107974 | Subtract Whole Numbers · Example 12 | Easy | |
| 107977 | Subtract Whole Numbers · Example 13 | Easy | |
| 107981 | Subtract Whole Numbers · Exercise 2 | Easy | |
| 107983 | Subtract Whole Numbers · Exercise 4 | Easy | |
| 107985 | Subtract Whole Numbers · Exercise 6 | Easy | |
| 107986 | Subtract Whole Numbers · Exercise 7 | Easy | |
| 107987 | Subtract Whole Numbers · Exercise 8 | Easy | |
| 107988 | Subtract Whole Numbers · Exercise 9 | Easy | |
| 107989 | Subtract Whole Numbers · Exercise 10 | Easy | |
| 107990 | Subtract Whole Numbers · Exercise 11 | Easy | |
| 107991 | Subtract Whole Numbers · Exercise 12 | Easy | |
| 107992 | Subtract Whole Numbers · Exercise 13 | Easy | |
| 107993 | Subtract Whole Numbers · Exercise 14 | Easy | |
| 107994 | Subtract Whole Numbers · Exercise 15 | Easy | |
| 107995 | Subtract Whole Numbers · Exercise 16 | Easy | |
| 107996 | Subtract Whole Numbers · Exercise 17 | Easy | |
| 107997 | Subtract Whole Numbers · Exercise 18 | Easy | |
| 107999 | Subtract Whole Numbers · Exercise 20 | Easy | |
| 108001 | Subtract Whole Numbers · Exercise 22 | Easy | |
| 108003 | Subtract Whole Numbers · Exercise 24 | Easy | |
| 108005 | Subtract Whole Numbers · Exercise 26 | Easy | |
| 108007 | Subtract Whole Numbers · Exercise 28 | Easy | |
| 108009 | Subtract Whole Numbers · Exercise 30 | Easy | |
| 108011 | Subtract Whole Numbers · Exercise 32 | Easy | |
| 108013 | Subtract Whole Numbers · Exercise 34 | Easy | |