True or False
Grades 1 - 2
Question A
3 + 7 equals 7 - 0
7 - 0 = 3 + 4
Question B
10 - 4 equals 3 + 3
3 + 3 = 10 - 4
Question C
5 + 5 equals 15 - 10
15 - 5 = 5 + 10