Michael
Anna
Molly
Alex
Mila
100
A set of rules that tells the order in which to compute.
Order of Operations
100
Answer to a subtraction question.
Difference
100
To rearrange the formation of a group.
Regroup
100
To combine
Add
100
0, 1, 2, 3, 4, 5...etc.
Base-10 Numerals
200
The value a digit has because of its place in a number.
Place Value
200
Subtracting equal groups to find the total amount of groups.
Repeated Subtraction
200
When simplifying an expression, we always do problems in _____ first.
Parentheses
200
Operation that gives the difference between two numbers.
Subtract
200
Changing the grouping of three or more addends does not change the sum.
Associative Property of Addition
300
Common Way of writing a number using digits.
Base 10 Numeral Form
300
Changing the order of the addends does not change the sum.
Commutative Property of Addition.
300
Answer to a addition question.
Sum
300
10, 20, 30, 40, 50...etc
Tens
300
A single unit or object.
Ones
400
0, 1, 2, 3, 4, 5....also known as base-10 numerals
Digit
400
12,345 is written in...
Standard Form
400
Value of a digit that is the 3rd position from the right.
Hundreds
400
A number close to an exact amount.
Estimate
400
Any number being added.
Addend
500
A mathematical phrase without an equal sign.
Expression
500

A way to write numbers that shows the place value of each digit.

263 = 200 + 60 + 3

Expanded Form
500
To find the nearest ten, hundred, or thousand.
Round a whole number
500
Adding zero to a number gives a sum identical to the given number.
Additive Identity Property of 0
500
Mathematical phrase with an equal sign.
Equation
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