Fractions Math Vocabulary Numbers and Operations M 5

Fractions Math Vocabulary Numbers and Operations M 5. A Aligning with Pennsylvania Department of Education Assessment Anchors and en. Vision Math Textbook Fractions Topic 9 © 2010 Caryn Dingman www. mrsdingman. com

factor * a number we multiply * a whole number we can divide evenly into another whole number examples: factors of 4: 1, 4, 2 factors of 12: 1, 2, 3, 4, 6, 12 Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A (review Grades 3 & 4 Anchor Glossary) 2

multiple * a product (synonym) * the answer to a multiplication problem examples: multiples of 4: 4, 8, 12, 16 multiples of 3: 3, 6, 9, 12 Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A (review Grades 3 & 4 Anchor Glossary) 3

product * a multiple (synonym) * the answer to a multiplication problem examples: products of 4: 4, 8, 12, 16 products of 3: 3, 6, 9, 12 Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A (review Grades 3 & 4 Anchor Glossary) 4

fraction * describes one or more PARTS of a whole * whole can be a region * whole can be a set * whole can be a segment examples: Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A (review Grades 3 & 4 Anchor Glossary) 5

numerator * top part of fraction * shown above the fraction bar * shows how many equal parts OUT OF total parts 3/5 3 out of 5 parts example: Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A (review Grades 3 & 4 Anchor Glossary) 6

denominator * bottom part of fraction * shown below the fraction bar * represents TOTAL number of equal parts 3 example: /5 3 out of 5 parts Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A (review Grades 3 & 4 Anchor Glossary) 7

improper fraction * numerator is larger than denominator * can be changed to a mixed number example: Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A 8

mixed number * a whole number AND a fraction * can be changed to an improper fraction example: Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A 9

least common multiple * smallest product in common, or same, of fraction denominators * may be called LCM * may be called LCD – least common denominator example: ½ and ¼ LCM: 4 products of 2: 2, 4 products of 4: 4, 8 Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A Grade 5/6 Anchor Glossary 10

fraction rules BEFORE you can: compare fractions OR add fractions OR subtract fractions YOU MUST RENAME them * find the LCM * rename all fractions using LCM as new denominator example: ½ and ¼ LCM: 4 products of 2: 2, 4 ½ = 2/4 products of 4: 4, 8 ¼=¼ Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A Grade 5/6 Anchor Glossary 2/4 > ¼ 11

equivalent fractions * fractions that are equal example: Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A Grade 5/6 Anchor Glossary 12

simplest form * also called lowest terms * directions may ask to “reduce” examples: Fractions en. Vision Topic 9 PA Assessment Anchor M 5. A Grade 5/6 Anchor Glossary 13