4th Grade Math Vocabulary

To arrange in groups, by some property.

• Classify

• Cross Classify

• sides

• square

Tags

CCSS.2.G.A.1

Lines that will never intersect

• parallel lines

• perpendicular lines

• right angle

• intersecting lines

Tags

CCSS.HSG.CO.A.1

Lines that intersect and form a right angle

• parallel lines

• perpendicular lines

• right angle

• intersecting lines

Tags

CCSS.HSG.CO.A.1

An angle that is less than 90 degrees

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

An angle that is greater than 90 degrees

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

An angle that is EXACTLY 90 degrees and forms a square corner

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

An angle that measures EXACTLY 180 degrees

• straight angle

• right angle

• acute angle

• obtuse angle

Tags

CCSS.4.G.A.1

A quadrilateral that has 4 right angles and all sides are congruent

• parallelogram

• trapezoid

• rectangle

• square

Tags

CCSS.5.G.B.4

What type of triangle is this?

• Right triangle

• Acute triangle

• Obtuse triangle

• Regular triangle

Tags

CCSS.4.G.A.2

What type of triangle is this?

• Right triangle

• Acute triangle

• Obtuse triangle

• Regular triangle

Tags

CCSS.4.G.A.2