5th Grade Math Vocabulary

The number of square units needed to cover a given surface

• perimeter

• volume

• area

• equation

An angle whose measure is less than 90 degrees.

• acute angle

• supplementary angles

• obtuse angle

• complementary angles

Tags

CCSS.4.G.A.1

A natural number that has more than two factors including one and itself.

• prime

• congruent

• even

• composite

Tags

CCSS.4.OA.B.4

A plane formed by the intersection of a horizontal number line with a vertical number line.

• coordinate plane

• origin

• y-axis

• x-axis

Tags

CCSS.5.G.A.1

The bottom part of a fraction.

• difference

• denominator

• numerator

• addend

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

The answer when you subtract.

• Sum

• Product

• Difference

• Quotient

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

A triangle with all three sides equal and all angles are 60 degrees.

• Isosceles Triangle

• Equilateral Triangle

• Scalene Triangle

• Obtuse Triangle

Tags

CCSS.4.G.A.2

A mathematical sentence formed by placing an equal sign between two expressions.

• estimation

• equal

• expression

• equation

Tags

CCSS.6.EE.A.2C

A close guess of the actual value, with some thoughts to calculation.

• equal

• estimation

• equation

• number sentence

A mathematical phrase containing numbers and operating symbols.

• equation

• estimation

• expression

• equal

Tags

CCSS.6.EE.A.2B