Math Vocabulary (partial list)

A triangle with angles less than 90 degrees

• obtuse triangle

• acute triangle

• right triangle

• upside-down triangle

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

The space inside a 2D shape (plane figure)

• area

• perimeter

• surface area

• volume

Tags

CCSS.4.MD.A.3

The bottom line or bottom shape. The ____ and the height form a right angle.

• base

• face

• edge

• diagonal

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Combine with the same value

• compose

• decompose

• composite

• equilateral

Tags

CCSS.4.NF.A.1

To break apart while maintaining the same value

• compose

• decompose

• prime

• composite

Tags

CCSS.4.NF.A.1

CCSS.4.NF.B.3

The lines used to draw a shape. The part of a shape that would be measured to determine the length, width, base, or height

• edge

• vertex

• vertices

• surface

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

CCSS.4.MD.A.3

any polygon that has all equal sides.

• Equilateral

• Equivalent

• Extinguish

• Exclamation

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

A surface or plane figure is called:

• face

• vertex

• perimeter

• volume

Tags

CCSS.4.G.A.2

• formula

• equilateral

• perimeter

• compose

Tags

CCSS.4.OA.A.2

CCSS.4.OA.A.3

The distance from the top to the bottom that forms a right angle with the base

• height

• length

• width

• area

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

CCSS.4.MD.C.5