1. “Take the top #, Divide by the bottom #!”
Math-8 NOTES
DATE: ______/_______/_______
What: fractions, decimals, percents, & scientific notation
Why: To review converting among fractions, decimals, percents, and numbers written
in scientific notation.
NAME:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
“To the right, to the right!”
“To the left, to the left!”
Converting Percents and decimals:
Decimal
Percent 3. 8% 4.
0.5% 6.
52.2%
“Take the top #, Divide by the bottom #!”
Converting fractions and decimals:
Decimal
Fraction 2.
5/8
0.008 4.
4/5 6.
5/6

2. Fraction Decimal Percent Standard Form Scientific Notation Your TURN:/8 2.
0.06
4 % /3 5.
4.5 6.
2.5 %
Scientific notation review:
Standard
Form
Scientific
Notation
,500,000
,250,000,000 5.
3.1 x 10 5 6.
4.32 x 10 4 7.
3.1 x 10 -5 8.
2.25 x 10 -4

3. Converting rational #’s and
“PRACTICE IT”
DATE: ______/_______/_______
NAME:__________________________
Converting rational #’s and
Scientific notation
Convert the following fractions, decimals, and percents:
Fraction
Decimal
Percent /8 2.
0.04 9% /5 5.
0.7 6.
4.5% /3 8.
0.006 9.
45% /4
11.
0.18
/11

4. Convert the following #’s written in both standard form and scientific notation:
,200
,470,000,000 5.
8.1 x 10 3 6.
7.15 x 10 6 7.
1.5 x 10 -3 8.
4.25 x 10 -5
,360,000
11.
4 x 10 2
12.
6.285 x 10 3
,000
15.
9.7 x 10 0
16.
6.7 x 10 -6
,340,000,000
19.
8.9 x 10 1
20.
9.6 x 10 -4