The document discusses lesson 40 on decimals and circle graphs. It notes that when adding, subtracting, multiplying or dividing decimals, empty spots should be filled with zeros. Examples are then provided of simplifying decimal operations such as multiplication, subtraction, squaring decimals, and writing a decimal in word form. Circle graphs are defined as displaying data as fractions or percentages of a whole circle.

1. lesson 40.notebook January 08, 2013
Lesson 40:
*When adding, subtracting, multiplying or dividing with decimals...
we sometimes have "empty" spots....
What do we fill them with?
ZEROS!!
**Circle graphs (pie graphs) - Displays data in fractions or percents of a
circle (whole)
Aug 12­1:02 PM

2. lesson 40.notebook January 08, 2013
Lesson 40 Examples:
Simplify.
A) 0.2 x 0.3
B) 4.6 - 0.46
Aug 16­9:03 AM

3. lesson 40.notebook January 08, 2013
C) 0.1 x 0.01
D) 0.12 x 0.4
Dec 8­12:05 PM

4. lesson 40.notebook January 08, 2013
E) 0.4 - 0.32
F) 1 - 0.98
Dec 8­12:07 PM

5. lesson 40.notebook January 08, 2013
G) (0.3)2
H) (0.12)2
Dec 8­12:07 PM

6. lesson 40.notebook January 08, 2013
I) Write the decimal number: ten and eleven thousandths.
Dec 8­12:07 PM