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Fractions N.S. 1.2

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Example # 1 + ADDING/ SUBTRACTING UNLIKE FRACTIONS Find the LCM and then change fractions into like fractions and add/ subtract numerators, then reduce. – PowerPoint PPT presentation

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Title: Fractions N.S. 1.2


1
Fractions N.S. 1.2
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.
3
Copy everything in RED
4
STANDARD- 7N.S. 1.2 ADD, SUBTRACT, MULTIPLY, AND
DIVIDE FRACTIONS.
5
OBJECTIVE- HUSKIES WILL BE ABLE TO ILLUSTRATE
HOW TO ADD, SUBTRACT, MULTIPLY, AND DIVIDE
LIKE/UNLIKE FRACTIONS.
6
Vocabulary
7
ADDING/ SUBTRACTING LIKE FRACTIONS
  • Add/subtract numerators and then reduce
    (simplify) fraction.

8
Example 1
 
 

9
ADDING/ SUBTRACTING UNLIKE FRACTIONS
  • Find the LCM and then change fractions into
    like fractions and add/ subtract numerators,
    then reduce.

10
Example 2
11
Example 3
12
Multiplying fractions
  • Multiply the numerators and then multiply the
    denominators. Then reduce.

13
Example 4
14
Example 5
15
Dividing fractions
  • Flip the second fraction (reciprocal). Then
    multiply the numerators and then multiply the
    denominators. Then reduce.

16
Example 6
 
 
17
PKB (Prior Knowledge Box)
Topic Fractions Misconceptions
What did you learn? What do you need to study/ practice?
18
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.

19
Direct Station
  • Google- adding and subtracting fraction games
    (first link) Reducing fractions game (second
    link)
  • http//www.math-play.com/adding-and-subtracting-fr
    actions-game.html
  • http//www.mathplayground.com/fractions_reduce.htm
    l

20
So what does it look like on the Cahsee?
21
Agenda
  • Homework-Worksheet c-41 and c-67
  • (DUE P.1,3,5- Mondays and Thursday. P.2,4,6-
    Tuesdays and Fridays)
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