This document covers a lesson on dividing rational numbers. It includes examples of dividing rational numbers with steps shown. There are also practice problems for students to complete involving dividing rational numbers. The document aims to teach students how to divide rational numbers and provide practice through examples and problems.

1. Day 24 Dividing Rational Numbers.notebook October 18, 2012
AIM: Dividing Rational Numbers
Do Now
Complete the following problems
with rational numbers.
1.) 2
13 +(-3 1
) 2.) -1.18 - 9.2
2
1

2. Day 24 Dividing Rational Numbers.notebook October 18, 2012
2

3. Day 24 Dividing Rational Numbers.notebook October 18, 2012
3

4. Day 24 Dividing Rational Numbers.notebook October 18, 2012
Anticipatory Set
-10
-2
4

5. Day 24 Dividing Rational Numbers.notebook October 18, 2012
5

6. Day 24 Dividing Rational Numbers.notebook October 18, 2012
6

7. Day 24 Dividing Rational Numbers.notebook October 18, 2012
7

8. Day 24 Dividing Rational Numbers.notebook October 18, 2012
Smart Response Activity
1.) -1 4.) -2
4 3
2 -4
5 7
2.) 5.) -54
-0.6
3.) -1 1
÷(
-2 1
) 6.) -4 ÷ 12
5
2 3
8

9. Day 24 Dividing Rational Numbers.notebook October 18, 2012
Dividing Rationals
Grade: «grade»
Subject: «subject»
Date: «date»
9

10. Day 24 Dividing Rational Numbers.notebook October 18, 2012
1
-1
4
=
2
5
10

11. Day 24 Dividing Rational Numbers.notebook October 18, 2012
2
8.4
-12
11

12. Day 24 Dividing Rational Numbers.notebook October 18, 2012
3
-1 1
2 ÷(
-2 1
3 )
12

13. Day 24 Dividing Rational Numbers.notebook October 18, 2012
4 -2
3
-4 =
7
13

14. Day 24 Dividing Rational Numbers.notebook October 18, 2012
5
-54
-0.6
14

15. Day 24 Dividing Rational Numbers.notebook October 18, 2012
6
2
-4 ÷ 1 5
15

16. Day 24 Dividing Rational Numbers.notebook October 18, 2012
Before You Leave
1.) Last year, Mr. Engle's total income
was 52,000, while his total expenses
were $53,800. Use the expression
below, where I represents total income
and E represents total expenses, to find
the average difference between his
income and expenses each month.
I -E
12
16

17. Day 24 Dividing Rational Numbers.notebook October 18, 2012
Before You Leave
2.) The boiling point of water is affected
by the changes in elevation. Use the
expression below, where A represents
altitude in feet, to find the number of
degrees Fahrenheit at which the boiling
point of water changes at 5000 feet.
-2A
1000
17

18. Day 24 Dividing Rational Numbers.notebook October 18, 2012
Homework
On Core Page 22
18