# 3rd Grade Math Vocabulary

Match the vocabulary word to its meaning.

## Terms

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- denominator
- the number on the bottom of a fraction-the total number of equal parts
- quarter
- 25 cents
- hexagon
- six sided figure
- octagon
- eight sided figure
- sphere
- a shape like a ball
- perimeter
- The distance all the way around the outside of an object.
- fraction
- a part of a whole
- difference
- Then answer to a subtraction problem.
- numerator
- the number on top of a fraction
- nickel
- 5 cents
- quarter till
- 15 minutes before a new hour the minute hand is on the 9
- expanded notation
- 3,000 + 500 + 20 + 3
- estimate
- round
- quarter after
- 15 minutes after the hour-the minute hand is on the 3
- area
- found by counting what is on the inside of a shape
- less than
- <
- pentagon
- five sided figure
- vertex
- corner
- written form
- three thousand, five hundred, twenty-three
- dime
- 10 cents
- greater than
- >
- sum
- The answer to an addtion problem.
- equation
- number sentence
- product
- The answer to a multiplication problem.
- probability
- The chance of something happening.
- quotient
- The answer to a division problem.
- polygon
- a figure that is flat, has vertices, and is completely closed