Exploring Addition and Multiplication Properties in Math

The video tutorial covers key mathematical properties: commutative, associative, identity, and inverse. It emphasizes understanding the application of these properties in addition and multiplication, while noting that they do not apply to subtraction and division. The commutative property allows numbers to be added or multiplied in any order. The associative property permits the rearrangement of grouping symbols. The identity property states that adding zero or multiplying by one does not change a number. Lastly, the inverse property involves adding a number's opposite to achieve zero.

Which operations are primarily discussed in the context of properties in this video?

• Addition and Subtraction

• Multiplication and Division

• Subtraction and Division

• Addition and Multiplication

Tags

CCSS.7.NS.A.2C

What does the commutative property of addition state?

• You can add numbers in any order.

• You can multiply numbers in any order.

• You can subtract numbers in any order.

• You can divide numbers in any order.

Tags

CCSS.1.OA.B.3

Which of the following is an example of the commutative property of multiplication?

• 2 / 3 = 3 / 2

• 2 - 3 = 3 - 2

• 2 * 3 = 3 * 2

• 2 + 3 = 3 + 2

Tags

CCSS.3.OA.B.5

What does the associative property allow you to do?

• Change the order of numbers in addition and multiplication.

• Change the grouping of numbers in addition and multiplication.

• Change the order of numbers in subtraction and division.

• Change the grouping of numbers in subtraction and division.

Tags

CCSS.7.NS.A.1D

Which of the following is an example of the associative property of addition?

• (2 + 3) + 4 = 2 + (3 + 4)

• 2 * 3 = 3 * 2

• (2 * 3) * 4 = 2 * (3 * 4)

• 2 + 3 = 3 + 2

Tags

CCSS.7.NS.A.1D

What is the identity property of addition?

• Adding zero to a number does not change the number.

• Multiplying a number by one does not change the number.

• Multiplying a number by zero does not change the number.

• Adding one to a number does not change the number.

Tags

CCSS.1.OA.B.3

Which of the following is an example of the identity property of multiplication?

• 5 + 1 = 5

• 5 * 0 = 5

• 5 + 0 = 5

• 5 * 1 = 5

Tags

CCSS.3.OA.B.5

What does the inverse property of addition state?

• Adding a number to itself gives zero.

• Multiplying a number by its opposite gives one.

• Multiplying a number by itself gives one.

• Adding a number to its opposite gives zero.

Tags

CCSS.7.NS.A.1B

Which of the following is an example of the inverse property of addition?

• 5 + (-5) = 0

• 5 - 5 = 0

• 5 * 0 = 0

• 5 / 5 = 1

Tags

CCSS.7.NS.A.1B

What is another term for the inverse property?

• Identity

• Associative

• Commutative

• Opposite

Tags

CCSS.1.OA.B.3