2.2 Patterns in the Addition Table

When ​ (a)   is added to a number, the sum is that number. This is an example of the ​ (b)   property of addition.

• zero
• identity
• one
• ten
• commutative
• associative

What is the largest four digit number you can make with the following digits?

0 8 3 4

What is the smallest four digit number you can make with the following digits?

7 8 3 4

7453 + 10 =

7453 + 100 =

7453 + 1000 =

Match the following

• 345 + 0 + 345

• identity property of addition

• the numbers being added

• commutative property

• 25 + (32 + 25) =

  (25 + 25) + 32

• addends

• 78 + 42 = 42 + 78

• associative property

• the result of addition

• sum

Match the following

• 3667

• 3567 - 100

• 4567

• 3567 + 100

• 3467

• 3567 - 10

• 3557

• 3567 + 1000

• 3577

• 3567 + 10

Reorder the following greatest to least

• 7 + 4

• 2 + 8

• 9 + 0

• 3 + 4

• 5 + 1

Reorder the following greatest to least

• 17

• 07

• 70

• 0

• -7