A figure, symbol, or group of these denoting a number.
Numeral
What does it take to make a unit of 10?
10 units of 1 make a unit of 10.
When you break a number apart into the value of each digit.
Expanded form
Putting 2 or more quantities together
Adding/Addition
To make a smart, educated guess.
Estimate
To break a number into smaller parts.
Decompose
How do you make a unit of 100?
10 units of 10
Any number that ends in "0".
A decade number.
Taking some away from a number.
Subtraction
Shortcut for repeated addition.
Multiplication
Any of the numerals from 0 to 9.
Digit
What is 10 units of 100?
A unit of 1000
What does the equal sign stand for?
Balance
The answer to an addition problem is called...
When the sum of a number and zero is the number it's called what property?
The Identity property.
Numbers are made with these.
Digits
Showing the value of each digit using blocks.
Base Ten Form
When changing the order of the numbers does not change the sum.
Which 2 operations does the commutative property work for?
Addition and Multiplication
Which 2 operations does the commutative property NOT work for?
Subtraction and Division
The place where the digit sits tells us its ______.
Place value
A letter used for the unknown in an equation.
Variable
What are the four operations?
Addition, subtraction, multiplication and division.
The answer for a subtraction problem is called...
The difference.
The order in which 3 numbers are added does not change the sum.
Associative property.