Strategy

Question 1

Name one sign that a problem is a candidate for working backwards

Answer 1

the answer choices are real numbers

Question 2

What are the guidelines for smart numbers

• What numbers to avoid?
• What numbers to choose if you see %s?
• If you see fractions?
• Ratios
• Rate or work problems

Answer 2

• Avoid 0 and 1
• 100 or 50
• A common denominator
• The parts of the ratio. For example, if you have 3:4 dogs to cats, use 3 dogs to 4 cats
• Values that will give integers when calculating a rate

Question 3

What is a good sign of using SN?

Answer 3

The problem talks about something but NEVER gives you a real number for that something