Answer:
1. -15
2. +19
3. +7
4. -78
5. +94
6. +52
7. -28
8. +99
9. -4
10. +24
Step-by-step explanation:
Follow rules for adding integers:
- Same sign- normal addition and keep common sign
- Different sign- subtract and keep sign of the bigger number
Subtracting integers: ADD THE OPPOSITE
- Follow the rule: KEEP CHANGE CHANGE
- KEEP- the first integer
- CHANGE- the subtract sign to addition sign
- CHANGE- the sign of the second integer.
- Now use the rules for adding.
Multiplying and Dividing Integers: SAME RULE
- Same sign- positive answer
- Diff. signs- negative answer
- Note: Use normal multiplication and division
