G. True or False
Decide if each number sentence is true or false. Be ready to explain your thinking.
- 13 = 9 + 4
____________ - 9 + 8 = 18
____________ - 9 + 7 = 9 + 1 + 6
____________ - 8 + 8 = 9 + 7
____________ - 6 + 9 = 7 + 7
____________ - 6 + 9 = 5 + 10
____________