1-20
20-40
40-60
60-80
80-100
100

The number that comes after 6.

What is 7.

100

The number that comes after 25.

What is 26?

100

The number that comes before 41.

What is 40?

100

The number that comes before 75.

What is 74?

100

The number that comes before 99. 

What is 98?

200

The number that comes after 4.

What is 5?

200

The number that comes before 31.

What is 30?

200

The number that comes after 50.

What is 51?

200

The number that comes after 62.

What is 63?

200

The number that comes after 80.

What is 81?

300

The number that comes before 14.

What is 13?

300

The number that comes after 36.

What is 37?

300

The number that comes before 42.

What is 41?

300

The number that comes 2 places after 65.

What is 67?

300

The number that comes before 98.

What is 97?

400

The number that comes after 16.

What is 17?

400

The number that comes 2 after 25.

What is 27?

400

The number that comes after 55.

What is 56?
400

The number that comes 3 places after 75.

What is 78?

400

The number that comes 2 places after 91.

What is 93?
500

The number that comes before 20.

What is 19.

500

The number comes 3 before 34. 

What is 31.

500

The number that comes 6 places before 56.

What is 50?

500

The number that comes 4 before 80.

What is 76.

500

The number that is 5 before 99.

What is 94?