~ 5.11 ~

Learning Targets

• I can divide rational numbers.

Any division problem is actually a multiplication problem:

1. Find the missing values in the equations

   1. • -3 • 4 = ?

      • -3 • ? = 12

      • 3 • ? = 12

      • ? • - 4 = 12

      • ? • 4 = -12

2. Rewrite the unknown factor problems as division problems.

3. Complete the sentences. Be prepared to explain your reasoning.

   1. • The sign of a positive number divided by a positive number is always:

      • The sign of a positive number divided by a negative number is always:

      • The sign of a negative number divided by a positive number is always:

      • The sign of a negative number divided by a negative number is always:

4. Han and Clare walk towards each other at a constant rate, meet up, and then continue past each other in opposite directions. We will call the position where they meet up 0 feet and the time when they meet up 0 seconds.

Han's velocity is 4 feet per second.

Clare's velocity is -5 feet per second.

• • • Where is each person 10 seconds before they meet up?

    • When is each person at the position -10 feet from the meeting place?

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