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5th Grade Math Unit 3 Vocab
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Terms in this set (12)
Prime Number
a number that has exactly two factors: 1 and itself.
Composite Number
a number that has 3 or more factors.
Parentheses/brackets
shows what to do first in the problem
Numerical Expression
only numbers and operation signs
Equation
an algebraic or numerical sentence that shows that two quantities are equal.
Variable
a letter or symbol that stands for an unknown number or numbers.
Area
the measure of the number of unit squares needed to cover a surface.
Perimeter
the distance around a closed plane figure.
Volume
the measure of the space a solid figure occupies.
Square Units
a unit used to measure area.
Cubic Units
a unit used to measure volume.
Base
In 2D shapes, one side of a triangle or parallelogram used to find area. In 3D shapes, a plane figure by which a 3D shape is measured or named.
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