Finding the Missing Addend in the Equation

1. Supply the missing number in an equation involving properties of operation.

2. 9 + 2 = 2 + _

1. Supply the missing number in an equation involving properties of operation.

2. ( 3 + 4 ) + _ = 3 + ( 4 + 5 )

1. Supply the missing number in an equation involving properties of operation.

2. 6 ( 3 + 4 ) = ( 6 x 3) + ( 6 x _)

1. Supply the missing number in an equation involving properties of operation.

2. 0 + _ = 12

1. Supply the missing number in an equation involving properties of operation.

2. 7 x _ = 0

1. Supply the missing number in an equation involving properties of operation.

2. 7 + 3 = _ + 7 

1. Supply the missing number in an equation involving properties of operation.

2. ( 2 + 3 ) x ( 1 + 4 ) = ( 1 + 4 ) x ( _ + 3)

1. Supply the missing number in an equation involving properties of operation.

2. 29 x _ = 29

1. Supply the missing number in an equation involving properties of operation.

2. ( _ + 11 ) + 2 = 5 + ( 11 + 2 )

1. Supply the missing number in an equation involving properties of operation.

2. 3 x _= 3