+ 465

645

3-digit addition by words to numerals conversion worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of addition.

Name
Grade
School

Date
Questions15
Score

Example

One hundred and eighty

Four hundred and sixty-five

180

+ 465

645

+ 465

645

1

One hundred twenty-four

Seven hundred thirty-two

+

2

Six hundred seventy-three

Three hundred three

+

3

One hundred thirty-one

One hundred twenty-three

+

4

Two hundred eleven

Two hundred forty-two

+

5

Four hundred forty-one

One hundred forty-seven

+

6

Two hundred eighty-five

Five hundred two

+

7

Three hundred thirty-nine

One hundred thirty

+

8

Four hundred fifty-six

Five hundred forty-two

+

9

Two hundred six

Four hundred ninety-one

+

10

Four hundred six

One hundred one

+

11

Seven hundred twenty-six

One hundred twenty-three

+

12

Three hundred forty-two

Six hundred thirty

+

13

Seven hundred twenty-four

One hundred forty-four

+

14

Six hundred sixty

One hundred four

+

15

Two hundred twelve

Four hundred thirty-seven

+

Solved Worksheet Problems

1

One hundred twenty-four

Seven hundred thirty-two

124

+ 732

856

+ 732

856

2

Six hundred seventy-three

Three hundred three

673

+ 303

976

+ 303

976

3

One hundred thirty-one

One hundred twenty-three

131

+ 123

254

+ 123

254

4

Two hundred eleven

Two hundred forty-two

211

+ 242

453

+ 242

453

5

Four hundred forty-one

One hundred forty-seven

441

+ 147

588

+ 147

588

6

Two hundred eighty-five

Five hundred two

285

+ 502

787

+ 502

787

7

Three hundred thirty-nine

One hundred thirty

339

+ 130

469

+ 130

469

8

Four hundred fifty-six

Five hundred forty-two

456

+ 542

998

+ 542

998

9

Two hundred six

Four hundred ninety-one

206

+ 491

697

+ 491

697

10

Four hundred six

One hundred one

406

+ 101

507

+ 101

507

11

Seven hundred twenty-six

One hundred twenty-three

726

+ 123

849

+ 123

849

12

Three hundred forty-two

Six hundred thirty

342

+ 630

972

+ 630

972

13

Seven hundred twenty-four

One hundred forty-four

724

+ 144

868

+ 144

868

14

Six hundred sixty

One hundred four

660

+ 104

764

+ 104

764

15

Two hundred twelve

Four hundred thirty-seven

212

+ 437

649

+ 437

649

Question:

10 + 30 = ?

Answer:

10 + 30 = ?

Answer:

10

+ 30

40

+ 30

40

MATH LEARNING RESOURCES AND TOOLS FOR PERSONALIZED LEARNING