Short division (bus stop)

1. 27

Divide each digit by 3, from left to right, carrying each remainder to the next digit.

8 ÷ 3 = 2 r 2; 21 ÷ 3 = 7.

81 ÷ 3 = 27.

2. 13

Divide each digit by 6, from left to right, carrying each remainder to the next digit.

7 ÷ 6 = 1 r 1; 18 ÷ 6 = 3.

78 ÷ 6 = 13.

3. 15

Divide each digit by 5, from left to right, carrying each remainder to the next digit.

7 ÷ 5 = 1 r 2; 25 ÷ 5 = 5.

75 ÷ 5 = 15.

4. 13

Divide each digit by 4, from left to right, carrying each remainder to the next digit.

5 ÷ 4 = 1 r 1; 12 ÷ 4 = 3.

52 ÷ 4 = 13.

5. 13

Divide each digit by 7, from left to right, carrying each remainder to the next digit.

9 ÷ 7 = 1 r 2; 21 ÷ 7 = 3.

91 ÷ 7 = 13.