Integers and Operations
Respond to the following questions.
- Explain why the addition of a negative integer and its positive counterpart has a result of “0.” For example: (-12) + (+12) = 0.
- A math problem states, evaluate 24/(6 • 2). Monica keys in 24 divided by 6 times 2 and assumes the answer of 8 displayed on her calculator is correct. However, the correct answer is 2. What mistake did she make? What should she have done differently? What process should she use to solve this type of equation?
- Estimation plays a key role in many of the decisions we make on a daily basis. Explain why in some situations overestimating or underestimating would be useful or advantageous?
