What's That Property?
Vocabulary
Change the - problem to a + problem!
Fractions
Decimals
100
4+5=5+4
Commutative Property of Addition
100
What does "inverse" mean?
opposite
100
4 - 7
4 + (-7)
100
What is the least common denominator of 7 and 4?
28
100
Before solving a decimal problem, you need to line up the ____________ ____________.
decimal points
200
a + (-a) = 0
Additive Inverse Property
200
The distance of a number from zero; always a positive number
absolute value
200
(-1) - (-3)
(-1) + 3
200
Change 10/3 to a mixed number.
3 1/3
200
21 + 4.09
25.09
300
16 + 0 = 16
Additive Identy Property
300
The answer to an addition problem is called the ______
sum
300
0 - 5
0 + (-5)
300
Change 4 2/5 to an improper fraction.
22/5
300
2 + (-0.43)
1.57
400
(2 + 1) + 3 = 2 + (1 + 3)
Associative Property of Addition
400
The answer to a subtraction problem is called the _____
difference
400
-6 - (-5)
-6 + 5
400
1/3 + 3/9 Reduce the answer to lowest terms.
2/3
400
80.93 - 68 =
12.93
500
a + b = b + a
Commutative Property of Addition
500
What does "commute" mean?
travel, move
500
1 - (-2)
1 + 2
500
2/3 + (-1/6) Reduce the answer to lowest terms.
1/2
500
(- 17.48) + (-9.9) =
-27.38
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