Transcript Adding and Subtracting Fractions

FRACTIONS
N.S. 1.2
DO NOW (3 MINS)
PKB (PRIOR KNOWLEDGE BOX)
Topic: Fractions Misconceptions
Complete this
side only. List
anything that
you know about
the above topic.
COPY EVERYTHING IN
RED
STANDARD- 7N.S. 1.2
ADD, SUBTRACT,
MULTIPLY, AND
DIVIDE FRACTIONS.
OBJECTIVE- HUSKIES
WILL BE ABLE TO
ILLUSTRATE HOW TO
ADD, SUBTRACT,
MULTIPLY, AND DIVIDE
LIKE/UNLIKE FRACTIONS.
VOCABULARY
ADDING/ SUBTRACTING
“LIKE” FRACTIONS
Add/subtract
numerators and
then reduce
(simplify) fraction.
EXAMPLE # 1
+
ADDING/ SUBTRACTING
“UNLIKE” FRACTIONS
Find
the “LCM” and
then change fractions
into “like” fractions and
add/ subtract
numerators, then
reduce.
EXAMPLE #2
1
2

2
5
EXAMPLE #3
1
1

3
4
MULTIPLYING FRACTIONS
Multiply the
numerators and then
multiply the
denominators. Then
reduce.
EXAMPLE #4
1
2
x
2 5
EXAMPLE #5
3
x6
4
DIVIDING FRACTIONS
 Flip the second fraction
(reciprocal). Then
multiply the numerators
and then multiply the
denominators. Then
reduce.
EXAMPLE #6
PKB (PRIOR KNOWLEDGE BOX)
Topic: Fractions Misconceptions
What did you
learn? What do
you need to study/
practice?
STATION OVERVIEW (30 MINS PER STATION)
Collaborative-
(P) Fraction worksheets
(Bring up for a check after question #5).
Direct-
White board practice work with
Ms. Ahumibe.
DIRECT STATION



Google- adding and subtracting fraction games
(first link) Reducing fractions game (second link)
http://www.math-play.com/adding-andsubtracting-fractions-game.html
http://www.mathplayground.com/fractions_reduc
e.html
SO WHAT DOES IT LOOK LIKE ON
THE CAHSEE?
AGENDA
Homework-Worksheet c-41
and c-67
(DUE: P.1,3,5- Mondays and
Thursday. P.2,4,6- Tuesdays
and Fridays)