Practice addition with mixed exercise types!
- Question 1: 2 plus 2 equals blank.
- Question 2: blank plus 5 equals 7.
- Question 3: blank plus 4 equals 7.
- Question 4: blank plus 5 equals 7.
- Question 5: blank plus 4 equals 5.
- Question 6: 1 plus 4 equals blank.
