Unit 4: Decimals, Percents and Ratios.
Section 12: Percents
Goals:
Connect percents to fractions and decimals
Solve percent problems usign 100-grids and algebra
Resources:
Decimal grid
s in SMART Notebook
Decimal grids
in Microsoft Word
Bassarear discusses percents in section 6.2
I wrote some
percent problems with worked answers
for a completely different class, but you might find them useful as study materials
Percents
Resources: The
SMART Notebook
that I did all of these problems in
Videos:
What is A% of B
?
Amount A is what percent of amount B
?
What is the percent increase from amount A to amount B
?
Increase by vs increase to and percents over 100
.
Decrease by 10% followed by increase by 10%
.
What decrease would balance a 20% increase
?
Amount A is B% of what amount
?
Assignment:
Assn 73: Solving percent problems
with and without a 100-grid.
Aug 12