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