Addition
This is the sum of the expression 2.25 + 8.55.
What is 10.8?
This is the difference of the expression 8.7 - 4.22.
What is 4.48?
This property is shown with the addition expression
5 + 2 + 1 = 2 + 1 + 5.
What is the Commutative Property.
This is the answer to an addition problem.
What is the sum?
This is the sum of the expression -7.51 + -10.
What is -17.51?
This is the difference of the expression
10.3 - (-11.1).
What is 21.4?
This property is shown with the addition expression (4.5 + 3) + 0 = 4.5 + 3.
What is the identity property?
This is the answer to a subtraction problem?
What is the difference?
This is the sum of the expression -9.88 + 11.5.
What is 1.62?
This is the work that you do while you perform the squiggle step.
What is Keep Change Change?
This property is shown with the addition expression
(8.6 + 9.13) + 2 + 4.5 = 8.6 + 9.13 + (2 + 4.5).
What is the Associative Property?
This is the word used to describe the distance a number is away from 0.
What is the Absolute Value?
When the addends of an addition problem have opposite signs, you must do what with their absolute values to solve?
What is subtract?
During the squiggle step, this is what you do to the sign of the first number in the expression.
What is keep the sign?
The definition of this property states that for any three or more numbers, their sum is always the same, regardless of their grouping.
What is the Associative Property?
The word opposites means this following vocabulary word too.
What is additive inverses?
This step in solving decimal problems is not needed for an addition problem, since addition is a form that we like.
What is the squiggle step?
You are becoming less negative, or _____________, when you are subtracting a negative number.
What is positive?
The definition of this property states that two or more numbers can be added in any order without changing the sum.
What is the Commutative Property?
Additive inverses add to this number.
What is 0?