5th grade Math Vocabulary Words

Definition: Two intersecting lines that form right angles.

• polygon

• perpendicular lines

• acute angle

• intersecting lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Definition: The number of cubic units it takes to fill a figure.

• perimeter

• area

• volume

• mass

Tags

CCSS.5.MD.C.3A

CCSS.5.MD.C.3B

CCSS.5.MD.C.4

Definition: A portion of a line which starts at a point and goes off in a particular direction to infinity.

• angle

• ray

• plane

• line

Tags

CCSS.4.G.A.1

Definition: A rectangular solid having six congruent square faces.

• square

• cube

• volume

• pyramid

Tags

CCSS.2.G.A.1

CCSS.1.G.A.1

Definition: The number by which another number is to be divided.

• denominator

• factor

• dividend

• divisor

Tags

CCSS.3.OA.A.2

Definition: has 3 dimensions; having length, width, and height.

• time-division

• space-division

• quadrilateral

• three-dimensional

Tags

CCSS.2.G.A.1

CCSS.1.G.A.1

Definition: A polygon with three sides and three angles.

• triangle

• trapezoid

• pentagon

• rhombus

Tags

CCSS.2.G.A.1

Definition: A fraction less than one; the numerator is less than the denominator.

• equivalent fractions

• simplest form

• proper fraction

• numerator

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Definition: A 3-dimensional figure that has two congruent and parallel faces that are polygons. The remaining faces are parallelograms.

• pyramid

• cube

• prism

• polygon

Tags

CCSS.2.G.A.1

CCSS.1.G.A.1

Definition: A metric unit of length equal to 0.01 of a meter. 100 cm = 1 m.

• gram (g)

• centimeter (cm)

• kilogram (kg)

• meter (m)

Tags

CCSS.4.MD.A.1