What number added to this number adds up to 100?
1. 75 + ______
2. 15 + ______
3. 35 + ______
4. 85 + ______
5. 55 + ______
What number added to this number adds up to 100?
1. 75 + ______
2. 15 + ______
3. 35 + ______
4. 85 + ______
5. 55 + ______