Unit 2 Vocabulary

Confirm

• to say or show that something is true or correct

•  

  to know or say what something or someone is

• what you think or believe about

• to look in a book or other source for information 

Identify

• to look in a book or other source for information 

• to say or show that something is true or correct

•  

  to know or say what something or someone is

• what you think or believe about

Opinion

• to look in a book or other source for information 

• to say or show that something is true or correct

•  

  to know or say what something or someone is

• what you think or believe about

Refer

• to look in a book or other source for information 

• to say or show that something is true or correct

•  

  to know or say what something or someone is

• what you think or believe about

Array

•  

  a number that is multiplied

• the answer in a multiplication problem

• to repeatedly add the same number a certain number of times. Used to find a total number of items in equal-sized groups 

• a set of objects arranged in equal rows and equal columns

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

Factor

•  

  a number that is multiplied

• the answer in a multiplication problem

• to repeatedly add the same number a certain number of times. Used to find a total number of items in equal-sized groups 

• a set of objects arranged in equal rows and equal columns

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

Product

•  

  a number that is multiplied

• the answer in a multiplication problem

• to repeatedly add the same number a certain number of times. Used to find a total number of items in equal-sized groups 

• a set of objects arranged in equal rows and equal columns

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

Multiply

•  

  a number that is multiplied

• the answer in a multiplication problem

• to repeatedly add the same number a certain number of times. Used to find a total number of items in equal-sized groups 

• a set of objects arranged in equal rows and equal columns

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

Multiplicative Comparison

•  

  a comparison that tells how many times as many. 

• an operation used to find the total number of items in a given number of equal sized groups. 

• to make a close guess based on mathematical thinking 

• something that makes sense when given facts are taken into account 

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

Multiplication

•  

  a comparison that tells how many times as many. 

• an operation used to find the total number of items in a given number of equal sized groups. 

• to make a close guess based on mathematical thinking 

• something that makes sense when given facts are taken into account 

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3