Math Vocabulary

Place Value

100

A group of three digits, separated by commas, starting from the right. There is the ones, the thousands, the millions, the billions, etc.

What is PERIOD?

200

In a number, a period of three places to the left of the thousands place

What is THE MILLIONS PLACE?

300

A number written as the sum of the values of each digit

What is EXPANDED FORM?

400

A process that determines which multiple of 10, 100, a 1,000, and so on, a number is closest to. 

What is ROUNDING?

500

The numerals used to write a number

What is a DIGIT?

Adding and Subtracting

100

the answer to a subtraction problem

what is the DIFFERENCE?

200

the answer to an addition problem

What is a SUM?

300

A model you can use to set up a word problem

What is a STRIP DIAGRAM

400

Operations that you can use to undo each other or to check if you did it correctly

what are INVERSE OPERATIONS?

500

A symbol or letter that stands for a number

what is a VARIABLE?

Multiplication

100

the number that remains after division is complete 

What is a REMAINDER

200

the answer that you get when you multiply two factors

what is A PRODUCT

300

a number having 1, 3, 5, 7, or 9 as the last digit to the right

what is an ODD number?

400

a number having 0, 2, 4, 6, or 8 as the last digit to the right

What is an EVEN number?

500

is an orderly arrangement of objects in the shape of a rectangle or square to model multiplication

what is an ARRAY?

Geometry

100

A quadrilateral with 4 equal sides and 4 right angles.

What is a SQUARE?

200

A Quadrilateral with 4 sides and 4 right angles.
Opposite sides are parallel.

what is a RECTANGLE?

300

A polygon with 3 sides and 3 angles.

what is a TRIANGLE?

400

a four-sided plane rectilinear figure with opposite sides parallel.

what is a PARALLELOGRAM?

500

a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.

what is a RHOMBUS?