Addition (Review)

We use ______ to put things together.

• A

  Subtraction

• B

  Addition

• C

  Division

In the addition sentence, 100 + 200 = 300,

300 is called the _____

• A

  addends

• B

  plus

• C

  sum

In the addition sentence, 500 + 200 = 700,

500 and 200 are called the _____

• A

  sum

• B

  plus

• C

  addends

Which property is shown by the addition sentences

12 + 3 = 15

3 + 12 = 15

• A

  Commutative Property

• B

  Associative Property

• C

  Identity Property

Which property is shown by the addition sentence

50 + 0 = 50

• A

  Commutative Property

• B

  Associative Property

• C

  Identity Property

Which property is shown by the addition sentences

2 + (10 + 3) = 15

(2 + 10) + 3 = 15

• A

  Commutative Property

• B

  Associative Property

• C

  Identity Property

Mental Math

645 + 30 = ___

• A

  675

• B

  945

• C

  685

Mental Math

541 + 300 = ___

• A

  841

• B

  571

• C

  582

Mental Math

428 + 50 = ___

• A

  928

• B

  478

• C

  487

Calculate the sum.

(Write the solution in your math notebook)

• 482

• 481

• 582