Operations on whole numbers

If 12 + 4 = 16 then 16 - 12 =

• 4

• 5

• 6

• 7

What number is missing?

3 + __ = 11

__ + 3 = 11

11 - 3 = 8

11 - 8 = 3

• 8

• 3

• 11

• 12

Which expression is equivalent to:
(e + e) + e

• 3e
• e + 3
• 5e
• 2e − e

Which property describes the problem below...
44 - 44 = 0

• Subtraction Rule #1
• Subtraction Rule #2
• Identity Property of Subtraction
• Commutative Property of Subtraction

• True

• False

The inverse of addition is

• addition

• subtraction

• multiplication

• division

Which property is shown below?

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

• Commutative Addition

• Associative Addition

• Commutative Multplication

• Associative Multiplication

What is the associative property of addition?

• Adding two numbers in a different order will result in a different sum.

• The sum of any two numbers is always the same regardless of their order.

• Changing the grouping of the numbers being added does not change the sum.

• Changing the order of the numbers being added does not change the sum.

Mathematical Equivalence

OFF

In the equation 23 + 0 = 23, what does the 0 represent?

• Additive Identity

• Commutative Property of Addition

• Multiplicative Identity

• Zero Property of Multiplication