Unnie micro
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The document discusses directed numbers including integers, which are positive or negative whole numbers including zero. It covers multiplication and division of integers, with unlike signs multiplying to negative and like signs dividing to positive. An example problem is given about water level in a reservoir falling by 3 meters each day for 4 days. Key points are made about following the rules when working with positive and negative numbers similar to obeying traffic signs. Problem solving steps outlined include understanding the problem, deciding on a plan, carrying out the plan, and checking the answer.
Unnie micro
- 1. Chapter : Directed Numbers. 1.1 : Multiplication and Division of Integers
- 2. Integers.. Positive or Negative whole number including ZERO.
- 3. Problem Solving Example:- The water level in reservoir was 25 m. It did not rain for few days. Each day, the water level fell by 3 m. What was the water level after 4 days
- 4. Important Key Point Multiplication Unlike Like Signs Division Signs
- 5. Working with positive and negative numbers is like driving in traffic. You have to watch the traffic signs and follow the driving rules.
- 6. Problem Solving Step :- Understand the problem. Decide on a plan. Carry out the plan. Check the answer.