100
2/5 + 1/5
What is 3/5?
100
3/4 - 1/4
What is 2/4?
100
1/2, 3/4, 5/8, 5/10
What are 1/2 and 5/10?
200
3/7 + 2/7
What is 5/7?
200
5/7 - 2/7
What is 3/7?
200
2/3, 5/9, 4/6, 7/10
What are 2/3 and 4/6?
300
1/10 + 8/10
What is 9/10?
300
7/11 - 2/11
What is 5/11?
300
1/3, 1/4, 3/5, 2/8
What are 1/4 and 2/8?
400
7/15 + 6/15
What is 13/15?
400
12/15 - 4/15
What is 8/15?
400
3/10, 2/6, 4/9, 1/3
What are 2/6 and 1/3?
500
3/5 + 2/5
What is 5/5 or 1?
500
3/5, 4/6, 5/7, 6/10
What are 3/5 and 6/10?