N6 unit 2 lesson 1

13 + 0 = 13, is ...............property.

• Associative

• Commutative

• Additive identity

• None of the above

19+36 =36+19 , is..............property

• Additive identity

• Commutative

• Associative

• Otherwise

The additive Identity element is........

• 3

• 2

• 0

• 1

25+24=24+.........

• 24

• 25

• 99

• 100

Which of the following represents the commutative property in addition ?

• 635 + 492= 492+ 635

• 0+847= 847

• [18+2]+16=36

• 1+131 =132

Gamal wrote[13+7] +41 =13+[7+41 ] using the .................property of addition

• additive identity

• commutative

• associative

Which equation would be best to include in an explanation of the commutative property of addition?

• 7+8=8+7

• 8+0=8

• 5+8=3+10

• 3+18 =3+11+7

What number fills in the blank?
5 + (7 + 6) = (5 + ___) + 6

• 8
• 6
• 5
• 7

Which is an example of Associative Property of Addition?

• (12+3)+8=12x(3x8)
• 12x(3x8)=(12x3)x8
• (12+8)+3=12+(8+3)
• 12 + 18 = 18 + 12

Using the identity property of addition, add the following numbers: 7 + 0 =........

• 0

• 1

• 7