Properties of Addition

300 + 400 = 400 + 300

• Commutative Property

• Identity Property

• Associative Property

(100 + 200) + 50 = 100 + (200 + 50)

• Commutative Property

• Identity Property

• Associative Property

675 + 0 = 675

• Commutative Property

• Identity Property

• Associative Property

(50 + 30) + 20 = (50 + 20) + 30

• Commutative Property

• Identity Property

• Associative Property

0 + 899 = 899

• Commutative Property

• Identity Property

• Associative Property

245 + 100 = 100 + 245

• Commutative Property

• Identity Property

• Associative Property

(125 + 300) + 75 = 125 + (75 + 300)

• Commutative Property

• Identity Property

• Associative Property

In a desert region, 0 new people moved in. Population remains 1,200.

• Commutative Property

• Identity Property

• Associative Property

Which of these shows the Commutative Property?

• (200 + 50) + 25 = 200 + (50 + 25)

• 625 + 0 = 625

• 350 + 450 = 450 + 350

Which of the following illustrates the Associative Property?

• (100 + 200) + 50 = 100 + (200 + 50)

• 300 + 0 = 300

• 150 + 250 = 250 + 150