This document contains notes from a math lesson on converting between decimals, fractions, and percentages. It includes examples of converting decimals to fractions and vice versa, as well as converting between percentages and decimals or fractions. The assignment is to complete set 44 of even problems for homework due on January 16.

1. lesson 43.notebook January 14, 2013
Assignment:
1­­>Set 44 (evens) ­ Due Wednesday [1/16]

2. lesson 43.notebook January 14, 2013
Lesson 43 Warm­up:
1) Write the prime factorization of 7200 using exponents.
2) Find the measures of <a, <b, and <c.
a 40 b c
3) What is the sum of the first 4 prime numbers?
4) Write in words: 100.001
5) Solve: 3y = 0.144

3. lesson 43.notebook January 14, 2013
Lesson 43:
*FYI...We can convert decimals to fractions to percents!
D ­­> F: write the digits after the decimal point as the
numerator of the fraction and the denominator is the
place value of the last digit
F ­­> D: divide the numerator by the denominator
P ­­> D: divide the percent by 100
F­­> P: multiply the fraction by 100
1

4. lesson 43.notebook January 14, 2013
Examples (Lesson 43):
Change each decimal to a fraction.
A) 0.24
B) 45.6
C) 2.375
Change each fraction or mixed number to a decimal.
D) 23
4
E) 4 3/5

5. lesson 43.notebook January 14, 2013
F) 5/8
G) 5/6
Convert each percent to a decimal.
H) 8%
I) 12.5%
J) 150%
K) 6 1/2%

6. lesson 43.notebook January 14, 2013
Convert each fraction to a percent.
L) 1/2
M) 4/9