4 Things
100

3 Things belong and 1 doesn't:

6th Grade, 7th Grade, 8th Grade, and 9th Grade

Which one doesn't belong?

What is 9th Grade?
200

3 Things belong and 1 doesn't:

Math, ELA, Science, Health

Which one doesn't Belong?

What is Health?

300

3 Things belong and 1 doesn't:

Rook, Bishop, Knight, Mr. Bishop

Which one doesn't belong?

What is Mr. Bishop?

400

3 Things belong and 1 doesn't:

Red, Green, Yellow, Blue

Which one doesn't belong?

What is Blue?

500

3 Things belong and 1 doesn't:

701, 721, 731, and 703

Which one doesn't belong?

What is 703?