1
2
3
4
5
100

Groups that have the same number of items

Equal Groups

100

The answer in a division problem.

Quotient
100

A way of displaying objects into equal rows and columns

Array

100

A measurement of a physical entity in units that depend on the nature of that entity

Measurement Quantities

100

Pictures or images to help interpret numbers

Visual Model

200

Counting forward by numbers other than 1

Skip Count

200

Dividing into parts

Partition 

200

Numbers that are multiplied together to give a product

Factors

200

The answer to an addition problem

Sum

200

Breaking a number into parts

Decompose

300

An arrangement of objects or numbers, one to the side of another. 

Row

300

An operation that tells how many equal groups there are or how many are in each group. 

Division 
300

An operation that gives the total number when you join equal groups

Multiplication

300

Numbers can be multiplied in any order and the product will be the same

Commutative Property

300

The number of unit squares needed to cover a region

Area

400

An arrangement of objects or numbers, one above another.

Column

400

A sentence with a minimum of two numbers and at least one math operation

Expression

400

A symbol that stands for a number in an equation. The missing factor.

Unknown

400

A multiplication fact can be broken apart into the sum of two other multiplication facts.  

Example, 

5x4 = (2x4) + (3x4)

Distributive Property 

400

To name a whole number in a different way

Regroup

500

The answer to a multiplication problem. 

Product

500

each share or group has the same number of objects

Equal Share

500

A number sentence that uses an equal sign to show that the value on the left is the same as the value on the right.

Equation

500

The grouping of factors can be changed and the product will be the same.

Associative property

500

Fractions that name the same part of the whole or the same location on a number line

Equivalent