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Associative Property of Addition
Commutative Property of Addition
Estimation
Break Apart
100
What is the Associative property of this equation? 10+(22+30)=
(10+22)+30= (10+30)+22=
100
What is the commutative property of 32+49
81
100
What is the sum of 47+61 rounded to the nearest 10?
110
100
45+93=
138
200
This is an example of Associative Property of Addition, true or false? Explain (4+2)+6=6+(4+2)
False, the grouping has not been changed.
200
This shows commutative property, true or false? How do you know? 51+32=40+43
False, Commutative property lets you add two numbers in any order, and you will still get the same answer. These are not the same numbers.
200
What is the sum of 107+89 rounded to the nearest 100?
200
200
78+64
142
300
What is the Associative Property of Addition?
This rule states that you can group addends together in different ways and still get the same sum.
300
What is Commutative Property of Addition?
The rule that you can add 2 or more numbers in any order and still get the same sum.
300
What is sum of 104+ 111 estimated to the nearest 10?
210
300
27+73=
100