Fractions Math Vocabulary Numbers and Operations M5.A Aligning with Pennsylvania Department of...

Preview:

Citation preview

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

2

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

3

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

4

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

5

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

6

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

7

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

8

improper fraction

Fractions enVision Topic 9PA Assessment Anchor M5.A

* numerator is larger than denominator

example:

* can be changed to a mixed number

9

mixed number

Fractions enVision Topic 9PA Assessment Anchor M5.A

* a whole number AND a fraction

example:

* can be changed to an improper fraction

10

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

11

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

12

equivalent fractions

Fractions enVision Topic 9PA Assessment Anchor M5.A

Grade 5/6 Anchor Glossary

* fractions that are equal

example:

13

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”

Recommended