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1 . Read the question carefully. Underline key terms and units. 2. Define terms and think about their relationship. 3. Identify words that give you clues. 4. Identify the problem to be answered. Are their any “sub-questions”?. 5. Determine what principles or concepts the problem involves.
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1 . Read the question carefully Underline key terms and units 2. Define terms and think about their relationship
3. Identify words that give you clues 4. Identify the problem to be answered Are their any “sub-questions”?
5. Determine what principles or concepts the problem involves 6. Analyze the problem Make data tables, draw diagrams, identify units
7. Plan a solution 8. Answer the question Insert known values, make conversions if needed, do calculations
9. Evaluate the solution Check your answers, look for errors, make sure your answer is expressed in the correct number of sig. fig. and the correct units.
How old is Karen? Karen is twice as old as Lori. Three years from now, the sum of their ages will be 42. How old is Karen?
We'll let Lori's age be x. We can set up a chart: now in 3 years Karen 2x 2x + 3 Lori x x + 3 The sum of their ages in 3 years will be 42, so we have: (2x + 3) + (x + 3) = 42 3x + 6 = 42 3x = 36 x = 12 If Lori is 12, Karen is 24; in three years they will be 15 and 27, and the sum of their ages will be 42.
Elmer Fudd decided to grow a garden so he could make salad. He wants to make it 10.1m long and 4.2 m wide. However, in order to avoid Bugs Bunny from entering his garden he must make a fence surrounding the garden. He decides to make the fence 11.2 m long and 5.0 m wide. What is the area between the fence and the garden?
2.Dave gave Charlotte half of his pencils. Charlotte gave Johnnie half of the pencils she received from Dave. Johnnie kept 8 of those pencils and gave the remaining 10 to Dana. How many pencils did Dave give Charlotte?
Mr. Mason asked the children to open their math books to the facing pages whose page numbers add up to 85. To which pages should the children turn? Mark accidentally tore out a page of his math book. Mr. Mason asked him what page it was. Mark said that the sum of the page numbers on the facing pages was 127. What are the page numbers on the pages Mark tore out of the book?