fractions math vocabulary numbers and operations m5.a aligning with pennsylvania department of...
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Fractions Math VocabularyNumbers and Operations M5.A
Aligning withPennsylvania Department of Education
Assessment Anchorsand enVision Math Textbook
Fractions Topic 9
©2010 Caryn Dingman
www.mrsdingman.com
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factor
Fractions enVision Topic 9PA Assessment Anchor M5.A(review Grades 3 & 4 Anchor
Glossary)
* a number we multiply* a whole number we can divide evenly into another whole numberexamples:
factors of 4: 1, 4, 2
factors of 12: 1, 2, 3, 4, 6, 12
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multiple
Fractions enVision Topic 9PA Assessment Anchor M5.A(review Grades 3 & 4 Anchor
Glossary)
* a product (synonym)* the answer to a multiplication problem
examples:
multiples of 4: 4, 8, 12, 16
multiples of 3: 3, 6, 9, 12
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product
Fractions enVision Topic 9PA Assessment Anchor M5.A(review Grades 3 & 4 Anchor
Glossary)
* a multiple (synonym)* the answer to a multiplication problem
examples:
products of 4: 4, 8, 12, 16
products of 3: 3, 6, 9, 12
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fraction
Fractions enVision Topic 9PA Assessment Anchor M5.A(review Grades 3 & 4 Anchor
Glossary)
* describes one or more PARTS of a whole* whole can be a region
examples:
* whole can be a set
* whole can be a segment
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numerator
Fractions enVision Topic 9PA Assessment Anchor M5.A(review Grades 3 & 4 Anchor
Glossary)
* top part of fraction
example: 3/53 out of 5 parts
* shows how many equal parts OUT OF total parts
* shown above the fraction bar
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denominator
Fractions enVision Topic 9PA Assessment Anchor M5.A(review Grades 3 & 4 Anchor
Glossary)
* bottom part of fraction
example: 3/5
3 out of 5 parts
* represents TOTAL number of equal parts
* shown below the fraction bar
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improper fraction
Fractions enVision Topic 9PA Assessment Anchor M5.A
* numerator is larger than denominator
example:
* can be changed to a mixed number
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mixed number
Fractions enVision Topic 9PA Assessment Anchor M5.A
* a whole number AND a fraction
example:
* can be changed to an improper fraction
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least common multiple
Fractions enVision Topic 9PA Assessment Anchor M5.A
Grade 5/6 Anchor Glossary
* smallest product in common, or same, of fraction denominators
example: ½ and ¼ LCM: 4
products of 2: 2, 4
products of 4: 4, 8
* may be called LCM
* may be called LCD – least common denominator
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fraction rules
Fractions enVision Topic 9PA Assessment Anchor M5.A
Grade 5/6 Anchor Glossary
BEFORE you can:
compare fractions OR
add fractions OR
subtract fractions YOU MUST RENAME them
example: ½ and ¼ LCM: 4
products of 2: 2, 4 ½ = 2/4
products of 4: 4, 8 ¼ = ¼
2/4 > ¼
* find the LCM
* rename all fractions using LCM as new denominator
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equivalent fractions
Fractions enVision Topic 9PA Assessment Anchor M5.A
Grade 5/6 Anchor Glossary
* fractions that are equal
example:
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simplest form
Fractions enVision Topic 9PA Assessment Anchor M5.A
Grade 5/6 Anchor Glossary
* also called lowest terms
examples:
* directions may ask to “reduce”