HOMEWORK 1.7

Perform the following operation without using number line:

1. ^-40 - ^-3 + ^-4 =

2. ⁺14 + ^-20 =

3. ^-411 – (^-20+^-50) =

4. (400 + ^-60) - ^-100 =

5. (⁺44 + ^-30) + (-41 - ^-30) =

6. -314 + ⁺670 =

7. -72 - ⁺28 =

8. +11 + ⁺11 =

Use number line to find the following:

9. ⁺5 + ^-8 =

10. -4 - ⁺2 =