Unit 2 Review Flashcards Unit 2 Review Flashcards ALA: Pre-Algebra Unit 2 Fractions.
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Unit 2 Review Flashcards ALA: Pre-Algebra Unit 2 Fractions
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Transcript of Unit 2 Review Flashcards Unit 2 Review Flashcards ALA: Pre-Algebra Unit 2 Fractions.
Unit 2Review Flashcards
ALA: Pre-AlgebraUnit 2 Fractions
PUTTING IT ALL TOGETHER
ALA Unit 2 Fractions Review
⅚ ÷ ⅚
1
249249
1
Any number divided by itself = 1.
⅚ + 0
⅚
249 + 0 249 249
1
Adding zero to any number gives you the same number.
3 - 4 6 8
0
Any number minus itself always gives
you zero.
8 47 478
1 25 2 25
25/50 or ½
Multiplying any number by 1 gives
you the same number.
1 0 2 250
Multiplying any number by 0 gives
you 0.
DON’T YOU DARE!
25 0
undefined
You can’t divide by 0. The denominator of a
fraction can’t be 0.
⅓ + 2 × ⅓
1
ORDER OF OPERATIONS
PLEASEEXCUSE MY DEARAUNT SALLY
⅚ ÷ 5 × 4
⅔
(½ + ¼)2
9/16
⅘ + ⅘(1 – ½)2
1
FAMOUS FRACTIONSAND DECIMALS
FRACTION DECIMAL
½ .5
FRACTION DECIMAL
¼ .25
FRACTION DECIMAL
¾ .75
FRACTION DECIMAL
1/10 .1
FRACTION DECIMAL
1/100 .01
Fraction RapWhen you’re adding up or taking away fractions, don’t be a hater. Bottom number’s got to be the same…
COMMON DENOMINATOR!
Multiply fractions, no big problem…
TOP TIMES TOP AND BOTTOM TIMES BOTTOM
Dividing fractions, easy as pie
FLIP THE SECOND AND MULTIPLY!
ADD, SUBTRACT, MULTIPLY, AND DIVIDE:
¼⅔
SUM
PRODUCT
DIFFERENCE
QUOTIENT
11/12 5/12
⅙ 8/3
ADD, SUBTRACT, MULTIPLY, AND DIVIDE:
1 ¼2⅔
SUM
PRODUCT
DIFFERENCE
QUOTIENT
47/12 17/12
10/3 32/15
You must have common denominators,You must have common denominators ,
TO ADD OR SUBTRACT,You must have common denominators!
Write 247 as a fraction:
247 1
Start with ½
DOUBLE IT:
HALVE IT:
SQUARE IT:
1
¼
¼
Start with ¾
DOUBLE IT:
HALVE IT:
SQUARE IT:
1 ½
⅜
9/16
What happens when you multiply reciprocals?
You always get 1!
Resources:
Picture on slide 2Working Together Teamwork Puzzle Concept by lumaxart is licensed under CC BY-SA 2.0
Image on slide 16Hangover by Martin Fuhrmann is available in the public domain under CC0 Public Domain
Picture on slide 20Smiling Grandma Fab Sunglasses White Hair by Stephen Depolo is licensed under CC BY 2.0
Picture on slide 24Red Carpet is available in the public domain
Picture on slide 252005 U.S. Half Dollar is available in the public domain
Picture on slide 26 and 272006 Quarter Proof is available in the public domain
Picture on slide 28Dime Obverse 13 is available in the public domain
MoHealthWINsThis workforce solution was funded by a grant awarded by the U.S. Department of Labor’s Employment and Training Administration. The solution was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties, or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability, or ownership.
Unless otherwise noted this MoHealthWINs material by St. Louis Community College is licensed under a Creative Commons Attribution 4.0 International License.
Resources (Cont.):
Image on slide 292005 Penny Obv Unc D is available in the public domain
Clip Art on slide 33Birthday Cake is available in the public domain
