Category
The title for a group of items or objects
Data
Information collected about a topic, question or survey
Difference
The amount that is not equal when comparing two amounts or numbers
Estimate
To predict the amount of something
Greater Than
When comparing objects, the object with more
Half Past
When half of an hour has passed; 30 minutes have passed the hour
Length
The measure of distance
Less Than
When comparing objects, the object with less
O'Clock
The unit that means no minutes have passed in the hour
One-fourth
A whole circle or whole rectangle is broken into four equal parts. One-fourth is one of those equal parts
One-half
A whole circle or whole rectangle is broken into two equal parts. One-half is one of those equal parts
Sum
The total after putting values together
Survey
Asking people the same question and recording their responses
Teen Number
Any two digit number with only one ten
Two-digit Number
A number that is greater than 9 and less than 100