Properties of Addition

This video is a review of the properties of addition for grade three math. It covers the commutative, identity, and associative properties of addition. The commutative property states that the order of numbers does not affect the sum. The identity property explains that adding zero to a number does not change its value. The associative property, also known as the grouping property, shows that the way numbers are grouped does not change the sum. The video references additional resources for further learning and distinguishes these properties from those of multiplication.

What is the main focus of Grade Three Math Lesson 12?

• Properties of multiplication

• Properties of subtraction

• Properties of division

• Properties of addition

Which property of addition states that the order of numbers does not affect the sum?

• Associative Property

• Commutative Property

• Distributive Property

• Identity Property

If you add 3 + 5 or 5 + 3, which property ensures the result is the same?

• Identity Property

• Commutative Property

• Associative Property

• Distributive Property

Which property of addition allows you to add numbers in any order?

• Associative Property

• Commutative Property

• Identity Property

• Distributive Property

What does the identity property of addition state?

• Adding zero to a number changes the number

• Adding zero to a number keeps the number the same

• Adding one to a number keeps the number the same

• Adding one to a number changes the number

Which number can be added to any number without changing its value?

• 0

• 10

• 1

• 100

What is the result of adding zero to any number according to the identity property?

• The number increases by one

• The number decreases by one

• The number remains the same

• The number becomes zero

What is another name for the associative property of addition?

• Switching Property

• Grouping Property

• Zero Property

• Order Property

In the expression (2 + 3) + 1, which numbers are grouped together first?

• 1 and 2

• 2 and 1

• 3 and 1

• 2 and 3

If you have 2 + (3 + 1), which property allows you to change the grouping to (2 + 3) + 1?

• Distributive Property

• Identity Property

• Associative Property

• Commutative Property