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30 Cards in this Set
 Front
 Back
addend

The numbers that are added in an addition problem


Sum

The answer to an addition problem


Sequence

The orderly arrangement of numbers


Digit

The numerals 0,1,2,3,4,5,6,7,8, and 9


Century

100 years


Common years

The years with 365 days


Decade

Ten years


Denominator

The bottom number of a fraction. This number tells the number of parts in the whole


diameter

The distance across a circle through the center


Difference

The answer to a subtraction problem


Expanded form

3,452 = 3,000 + 400 + 50 + 2


factor

A number that is multiplied in a multiplication problem


intersecting lines

Lines that cross one another


Months with 30 days

September, April, June, and November (SAJN)


numerator

The top number of a fraction. It tells the number of parts being described.


ordinal numbers

Numbers that tell position or order


parallel lines

Lines that stay the same distance apart


perpendicular lines

Intersecting lines that form right angles


polygon

A closed, flat shape with straight lines


product

The answer to a multiplication problem


radius

The distance from the center of a circle to a point on the circle.


right angle

A square corner


line segment

A part of a line


sequence

An orderly arrangement of numbers


square

A polygon with 4 equal sides


octagon

An eightsided polygon


pentagon

A 5 sided polygon


quadrilateral

A 4 sided polygon


triangle

A 3 sided polygon


expanded form

3,542 equals 3,000 + 500 + 40 + 2
