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addend

Any of the numbers that are added

addition

the opposite operation of subtraction

angle

A figure formed where two line segments cross or meet

area

The number of square units needed to cover the surface of a figure

bar graph

A way to show information that uses bars to stand for data

cone

A solid, pointed figure that has a flat, round base

congruent figures

Figures that have the same size and shape

cube

A solid figure with six congruent square faces

cylinder

A solid or hollow object that is shaped like a can

difference

The answer in a subtraction problem