math vocabulary fourth grade

In math what do we call information collected about people or things

what is this symbol >

A way to write numbers by using digits

to describe whether numbers are equal to, less than or greater than each other

is a number that is the product of any number and itself

states that when you add zero to any number, the sum is that number

operations that undo each other

the product of two counting numbers is a ? of each of those numbers

a graph that uses bars to show data

A way to write numbers by showing the value of each digit

a number sentence which shows that two quantities are equal

a set of related addition and subtraction problems

a letter or symbol that stands for a number or numbers

a part of a number sentence that has numbers and operation signs but no = sign

a special set of rules that gives order in which calculations are done in an expression

states that the way addends are grouped does not change the sum

to replace a number using a target digit

when you combine equal groups, opposite operation of division

states that numbers can be added in any order and the sum is the same

A way to write numbers by using words

what is this symbol <

to separate into equal groups

a graph that uses pictures to show and compare information

to find an answer that is close to the exact amount