Vocabulary
Any number being added
Addend
0x5=
0
456 rounded to the nearest hundred
500
1x6=
6
to separate into equal groups and find the number in each group or number of groups
Divide
roughly calculate or judge the value, number, quantity
Estimate
10x4=
40
Which place value do we always start with when adding using the algorithm?
The one's place
2x8=
16
the amount that remains after one quantity is subtracted from another (the answer to a subtraction problem)
Difference
the process or skill of taking one number or amount away from another.
Subtraction
5x3=
15
776 Rounded to the nearest ten
780
6x3=
18
the process of making groups of tens when carrying out operations like addition and subtraction with two-digit numbers or larger.
Regrouping
changing the order of the addends does not change the sum is what property of addition?
What is the Commutative Property
6x6=
36
932 rounded to the nearest hundred
900
8x11=
88
operations that undo each other
Inverse Operations
a way to write numbers that shows the place value of each digit
expanded form
9x7=
63
What is the value of the ten's place in the number 495?
90
7x6=
42
the sum of any number and zero is the same number is the " " of Addition
Identity (zero)