Words to Know: Math

The measure of an angle with a measure between 0° and 90°

• Obtuse angle
• Acute angle
• Right angle

Tags

CCSS.4.G.A.1

Formed by two rays with a common endpoint (called the vertex).

• Polygon
• Line segment
• Angle
• Parallel

Tags

CCSS.4.G.A.1

When three or more numbers are multiplied, the product is the same no matter the grouping of the factors. For example (2 x 3) x 4 = 2 x (3 x 4)

• Associative Property of Addition
• Commutative Property of Multiplication
• Associative Property of Multiplication
• Identity Property of Addition

Tags

CCSS.3.OA.B.5

Standard system of measurement in the United States

• Customary system
• Metric system
• Inches system
• American system

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2

The quantity by which another quantity is to be divided

• Dividend
• Remainder
• Quotient
• Divisor

Tags

CCSS.3.OA.A.2

A number sentence with an equal sign. The amount on one side of the equal sign has the same value as the amount on the other side.

• Expression
• Inequality
• Equation
• Equal sign

Tags

CCSS.6.EE.A.2B

Different fractions that name the same number or amount.

• Equivalent fractions
• Incomparable fractions
• Simplified fractions
• Equal fractions

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

A reasonable answer. An educated guess.

• Estimate
• Random guess
• Hypothesis
• Close Enough answer

Tags

CCSS.4.NBT.A.3

CCSS.4.OA.A.3

A mathematical phrase without an equal sign

• Equality
• Inequality
• Equation
• Expression

Tags

CCSS.6.EE.A.2B

A way to write a number that shows the sum of values of each digit of a number. Example: the form of the number 543 would be written as: 500+ 40 + 3.

• Numerical form
• Expanded Form
• Standard form
• Classic form

Tags

CCSS.2.NBT.A.3