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Difference

Subtraction Sentence

Subtraction

Regroup

The answer to a subtraction problem.

A number sentence in which one quantity is taken away from an…

An operation that tells the difference, when some or all are…

To rename a number using place value.reogroup

Difference

The answer to a subtraction problem.

Subtraction Sentence

A number sentence in which one quantity is taken away from an…

decimal point

difference

estimate

expression

A period separating the ones and the tenths in a number

The answer to a subtraction problem

A number close to the exact value and easier to work with

A combination of numbers and operations

decimal point

A period separating the ones and the tenths in a number

difference

The answer to a subtraction problem

subtraction

subtraction sentence

difference

estimate

an operation that tells the difference, when some or all are…

a number sentence in which one quantity is taken away from an…

the answer to a subtraction problem.

a number close to the exact number.

subtraction

an operation that tells the difference, when some or all are…

subtraction sentence

a number sentence in which one quantity is taken away from an…

Inverse Operations

Regroup

Subtraction

Difference

Operations that undo each other. ... 3 + 5 = 8... 8 - 5 = 3

To use place value to exchange equal amounts when renaming a…

The OPPOSITE of addition; The operation where you find the di…

The answer you get when you subtract 2 numbers

Inverse Operations

Operations that undo each other. ... 3 + 5 = 8... 8 - 5 = 3

Regroup

To use place value to exchange equal amounts when renaming a…

sum

add

regrouping

altogether/total

the answer in an addition equation

to combine two numbers to find out how many in all

To use place value to change 10 ones into 1 ten, 10 tens into…

the overall amount you get after adding, subtracting, multipl…

sum

the answer in an addition equation

add

to combine two numbers to find out how many in all

benchmark

hundredth

place value

round

a familiar number used as a point or reference

one of 100 equal parts

the value of a digit in a number, based on the location of th…

number with one that is simpler and is approximately the same…

benchmark

a familiar number used as a point or reference

hundredth

one of 100 equal parts

Associative Property of Additon

Commutative Property of Addition

Identity Property of Addition

Mental Math

...

The property that states that the order in which two numbers…

If you add zero to a number, the sum is the same as the given…

ordering or grouping numbers so that they are easier to compu…

Associative Property of Additon

...

Commutative Property of Addition

The property that states that the order in which two numbers…

sum

addends

Commutative Property of Addition

Identity (Zero) Property of Addition

The answer to an addition problem.... 12 is the sum of 7 + 5

Numbers added together to give a sum. Example 7 + 5 =

Numbers can be added in any order and the sum will be the sam…

The sum of zero and any number is that number. Example: 0 + 4…

sum

The answer to an addition problem.... 12 is the sum of 7 + 5

addends

Numbers added together to give a sum. Example 7 + 5 =

Addition Properties

Zero Property of Addition

Commutative Property of Addition

Associative Property of Addition

Zero, Commutative, Associative Properties

7 + 0 = 7

8 + 2 = 2 + 8

2 + (4 + 3) = (2 + 4) + 3

Addition Properties

Zero, Commutative, Associative Properties

Zero Property of Addition

7 + 0 = 7

add

place-value chart

regroup

subtract or take away

put two or more parts together to make a whole

a chart to show the values of the digits in a number

change 10 ones to 1 ten or 1 ten to 10 ones.... change 10 tens t…

take away one part from the whole to find the other part

add

put two or more parts together to make a whole

place-value chart

a chart to show the values of the digits in a number

Which term is preferred when subtracti…

Which term is outdated and should not…

Why is borrowing/carrying obsolete?

What terms may we use when subtracting…

Regrouping

Borrowing

It infers that each digit is an independent number rather tha…

Regroup, reorganize, compose/decompose, and trade

Which term is preferred when subtracti…

Regrouping

Which term is outdated and should not…

Borrowing

subtraction

difference

subtraction sentence

estimate

an operation that tells the difference, when some of all are…

the answer to a subtraction problem

a number sentence in which one quantity is taken away from an…

a number close to the exact number

subtraction

an operation that tells the difference, when some of all are…

difference

the answer to a subtraction problem

add (addition)

subtract (subtraction)

associative property

commutative property

combine or put together, in all

take away, remove or compare

changing the grouping of three or more addends does not chang…

changing the order of addends does not change the sum

add (addition)

combine or put together, in all

subtract (subtraction)

take away, remove or compare

Round

Estimate

Strip Diagram

Compatible numbers

To replace a number with a number that tells how much or how…

To give an approximate number or answer

numbers that are close to the addends but easy to add mentally

Round

To replace a number with a number that tells how much or how…

Estimate

To give an approximate number or answer

The answer to a subtraction problem is…

To take away the lesser number from th…

to trade equal amounts when renaming a…

When you do not need an exact answer y…

difference

subtract

regroup

estimate

The answer to a subtraction problem is…

difference

To take away the lesser number from th…

subtract