2.8 Properties of Addition #1-20

Instructions

Watch the two Video Lessons and answer the questions below.

1

Name the property shown.

3x + 5x = 5x + 3x

1

Name the property shown.

(-12 + 3 ) + 4 = -12 + (3 + 4)

1

Name the property shown.

3 + (-3) = 0

1

Name the property shown.

2y + 9y = 9y + 2y

1

Name the property shown.

7 + (-7) = 0

1

Name the property shown.

2cd - 3cd = -3cd + 2cd

1

Name the property shown.

-4a + 2a = 2a + -4a

1

Name the property shown.

10 + 0 = 10

1

Name the property shown.

7x + (2x + 3) = (7x + 2x) + 3

1

Use a property to complete the following equation:

3d + 1 = 1 + ?

1

Name the property shown.

(8 + 6 ) + 1 = 8 + (6 + 1)

1

Use the Identity property to complete the following equation:

4s + ? = 4s

1

Use the Addition property of Opposites to complete the following equation:

7y + ? = 7y

1

Use the Addition property of Opposites to complete the following equation:

-6m + ? = 0

1

Use the Associative property to complete the following equation:

1

Use the Identity property to complete the following equation:

2x + ? = 2x

1

Use the Commutative property to complete the following equation:

x + 3k = 3k + ?

1

Use the Associative property to complete the following equation:

(a + b) + c = a + (b + ?)

1

Use the Commutative property to complete the following equation:

-n + 3 = ? - n

1

2.8 Properties of Addition #1-20

Name the property shown. 3x + 5x = 5x + 3x

Name the property shown. (-12 + 3 ) + 4 = -12 + (3 + 4)

Name the property shown. 3 + (-3) = 0

Name the property shown. 2y + 9y = 9y + 2y

Name the property shown. 7 + (-7) = 0

Name the property shown. 2cd - 3cd = -3cd + 2cd

Name the property shown. -4a + 2a = 2a + -4a

Name the property shown. 10 + 0 = 10

Name the property shown. 7x + (2x + 3) = (7x + 2x) + 3

Use a property to complete the following equation: 3d + 1 = 1 + ?

Name the property shown. (8 + 6 ) + 1 = 8 + (6 + 1)

Use the Identity property to complete the following equation: 4s + ? = 4s

Use the Addition property of Opposites to complete the following equation: 7y + ? = 7y

Use the Addition property of Opposites to complete the following equation: -6m + ? = 0

Use the Associative property to complete the following equation:

Use the Identity property to complete the following equation: 2x + ? = 2x

Use the Commutative property to complete the following equation: x + 3k = 3k + ?

Use the Associative property to complete the following equation: (a + b) + c = a + (b + ?)

Use the Commutative property to complete the following equation: -n + 3 = ? - n

Use a Identity property of Addition to complete the following equation: 5k = ? + 0

Name the property shown. 3x + 5x = 5x + 3x

Name the property shown. (-12 + 3 ) + 4 = -12 + (3 + 4)

Name the property shown. 3 + (-3) = 0

Name the property shown. 2y + 9y = 9y + 2y

Name the property shown. 7 + (-7) = 0

Name the property shown. 2cd - 3cd = -3cd + 2cd

Name the property shown. -4a + 2a = 2a + -4a

Name the property shown. 10 + 0 = 10

Name the property shown. 7x + (2x + 3) = (7x + 2x) + 3

Use a property to complete the following equation: 3d + 1 = 1 + ?

Name the property shown. (8 + 6 ) + 1 = 8 + (6 + 1)

Use the Identity property to complete the following equation: 4s + ? = 4s

Use the Addition property of Opposites to complete the following equation: 7y + ? = 7y

Use the Addition property of Opposites to complete the following equation: -6m + ? = 0

Use the Associative property to complete the following equation:

Use the Identity property to complete the following equation: 2x + ? = 2x

Use the Commutative property to complete the following equation: x + 3k = 3k + ?

Use the Associative property to complete the following equation: (a + b) + c = a + (b + ?)

Use the Commutative property to complete the following equation: -n + 3 = ? - n

Use a Identity property of Addition to complete the following equation: 5k = ? + 0

Name the property shown.

3x + 5x = 5x + 3x

Name the property shown.

(-12 + 3 ) + 4 = -12 + (3 + 4)

Name the property shown.

3 + (-3) = 0

Name the property shown.

2y + 9y = 9y + 2y

Name the property shown.

7 + (-7) = 0

Name the property shown.

2cd - 3cd = -3cd + 2cd

Name the property shown.

-4a + 2a = 2a + -4a

Name the property shown.

10 + 0 = 10

Name the property shown.

7x + (2x + 3) = (7x + 2x) + 3

Use a property to complete the following equation:

3d + 1 = 1 + ?

Name the property shown.

(8 + 6 ) + 1 = 8 + (6 + 1)

Use the Identity property to complete the following equation:

4s + ? = 4s

Use the Addition property of Opposites to complete the following equation:

7y + ? = 7y

Use the Addition property of Opposites to complete the following equation:

-6m + ? = 0

Use the Identity property to complete the following equation:

2x + ? = 2x

Use the Commutative property to complete the following equation:

x + 3k = 3k + ?

Use the Associative property to complete the following equation:

(a + b) + c = a + (b + ?)

Use the Commutative property to complete the following equation:

-n + 3 = ? - n

Use a Identity property of Addition to complete the following equation:

5k = ? + 0

Name the property shown.

3x + 5x = 5x + 3x

Name the property shown.

(-12 + 3 ) + 4 = -12 + (3 + 4)

Name the property shown.

3 + (-3) = 0

Name the property shown.

2y + 9y = 9y + 2y

Name the property shown.

7 + (-7) = 0

Name the property shown.

2cd - 3cd = -3cd + 2cd

Name the property shown.

-4a + 2a = 2a + -4a

Name the property shown.

10 + 0 = 10

Name the property shown.

7x + (2x + 3) = (7x + 2x) + 3

Use a property to complete the following equation:

3d + 1 = 1 + ?

Name the property shown.

(8 + 6 ) + 1 = 8 + (6 + 1)

Use the Identity property to complete the following equation:

4s + ? = 4s

Use the Addition property of Opposites to complete the following equation:

7y + ? = 7y

Use the Addition property of Opposites to complete the following equation:

-6m + ? = 0

Use the Identity property to complete the following equation:

2x + ? = 2x

Use the Commutative property to complete the following equation:

x + 3k = 3k + ?

Use the Associative property to complete the following equation:

(a + b) + c = a + (b + ?)

Use the Commutative property to complete the following equation:

-n + 3 = ? - n

Use a Identity property of Addition to complete the following equation:

5k = ? + 0