ACT Vocabulary Words #1-25

An angle with a measure between 0 and 90.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

For a number a, this is -a, such that a + (-a) = 0

• Negative of a number

• Multiplicative inverse

• Additive inverse

• Reciprocal

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C

A line drawn from the vertex of a triangle perpendicular to the opposite side or opposite side extended.

• Median of a triangle

• Angle bisector of a triangle

• Perpendicular bisector of a side of a triangle

• Altitude of a triangle

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

a(bc) = (ab)c

• Commutative property of multiplication

• Commutative property of addition

• Associative property of multiplication

• Associative property of addition

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

To divide in half

• Segment

• Bisect

• Trisect

• Perpendicular

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

An algebraic expression consisting of two terms.

• Monomial

• Binomial

• Trinomial

• Equation

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

The set of all points in a plane equidistant from a fixed point in the plane called the center.

• Pyramid

• Square

• Sphere

• Circle

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

A triangle with three acute angles.

• Right Triangle

• Obtuse Triangle

• Acute Triangle

• Scalene Triangle

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Two rays having a common endpoint.

• Point

• Bisector

• Circle

• Angle

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

The number of square units contained within a region.

• Area

• Circumference

• Perimeter

• Volume

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A