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Lesson 2.7 Try, Test, and Revise

Lesson 2.7 Try, Test, and Revise. 4 Steps to Problem Solving. _______________________ _______________________ _______________________ _______________________. Conjecture. We need to remember the meaning of this word:

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Lesson 2.7 Try, Test, and Revise

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  1. Lesson 2.7Try, Test, and Revise

  2. 4 Steps to Problem Solving • _______________________ • _______________________ • _______________________ • _______________________

  3. Conjecture • We need to remember the meaning of this word: A conjecture is a ________________ ____________. It is then __________ ______________ to be more accurate. Possibly, it may be shown _________.

  4. Let’s look at a problem. On vacation, your family spent ______ driving ________ across a state. Part of the time you drove on a scenic state highway at _____________. The rest of the time you drove on an interstate at ______________. How long did you drive on each type of highway?

  5. Step 1: Understand the problem • ___________________________ • ___________________________ • ___________________________

  6. Step 2: Make a plan

  7. Step 2: Carry out the plan

  8. Step 4: Check the answer. • Think about this: if the whole trip was taken at the higher speed, that would be _________________ ___________. We want just a bit less…so _______________ seems reasonable.

  9. Tonight’s Assignment • GPS Worksheet 2.7

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