### 2.8 Prompt

How can you tell when a fraction a/b is less than 1, greater than 1, or equal to 1.

Period 1 Students: www.blogger.com/img/gl.link.gif

Explain how to compare fractions that have different numerators and different denominators.

Under what conditions does the least common multiple of two numbers equal one of the numbers? Give an example.

Explain how you can find the Greatest Common Factor of two numbers by examining each of their prime factorizations.

1.2 Prompt: You have $10 and spend some money. How much money do you have left? When asked this question, three students write the expressions: 10 - x, 10 - d, and 10 - m. Explain why they are all correct.

1.3 Prompt: Given a. 2 + (3 x 4)

b. (4 + 2) x 3

c. 20/ (4 + 1)

In which examples are the parentheses not needed? In which examples are the parentheses needed? Explain

1.5 Prompt: Name a number between 1.6 and 1.7. Name a number between 2.35 and 2.36. What did you need to do to find each number? Explain.

1.8 Prompt: When adding or subtracting decimals, you line up the decimals. Is this true of multiplication of decimal numbers? Give an example or a counterexample.