Properties of Addition

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تكرار

complete : 9 + 5 = 5 +....

complete: [7 + 4] + 6 =.....+ [4 + 6]

choose the missing number in the statement: 90 +...=90

Subtraction has no identity

true

false

Ali wrote the statement [15 + 7] + 41 = 15 + [7 +41] using..... property of addition

Additive identity

Commutative

Associative

which statement include the commutative property

35 + 12 = 35 + 0

35 + 12 = 12 + 35

35 + 12 = 47

35 + 12 = 12 + 57

which property did not used in the statement [20 + 5] + 30 = [20 + 30] + 5

Addition identity

Commutative

Associative

which of these statement used commutative property of addition to find 14 + 66 + 38

[14 + 66] +38

14 + [66 +38]

14 + 38 + 66

12 + 55 + 38

why the statement 50 - 33 = 33 - 50 is not correct

The associative property applies to the addition but not subtraction.

The commutative property applies to the addition but not subtraction.

The associative property applies to subtraction but not addition.

The commutative property applies to subtraction but not addition.

check 17 - [10 + 1] = [17 - 10] + 1

true

false

which addition property is used in the statement [ 20 + 15 ] + 40 = [20 + 40 ]+ 15

Commutative

Associative

both of them

The Additive identity property states that...

when you add zero to any number , the sum is zero.

when you add zero to any number , the sum is that number.

when you add zero to any number , the sum is more than that number.

when you add zero to any number , the sum is less than that number.

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