Practice addition with mixed exercise types!
- Question 1: blank plus 4 equals 5.
- Question 2: 5 plus 3 equals blank.
- Question 3: blank plus 4 equals 9.
- Question 4: 3 plus 1 equals blank.
- Question 5: blank plus 4 equals 6.
- Question 6: blank plus 2 equals 3.
