Practice addition with mixed exercise types!
- Question 1: 3 plus 1 equals blank.
- Question 2: blank plus 2 equals 4.
- Question 3: blank plus 3 equals 5.
- Question 4: blank plus 2 equals 7.
- Question 5: 5 plus 1 equals blank.
- Question 6: blank plus 4 equals 9.
