Addition Challenge

What is the sum of 345 + 128?

• 573

• 217

• 473

• 412

Solve the following mental math: 456 + 789

• 1234

• 1468

• 1357

• 1245

Calculate 234 + 567 using column addition

• 801

• 732

• 345

• 678

Estimate the sum of 1234 + 5678

• 6000

• 8000

• 7000

• 4000

If you have 345 apples and you buy 234 more, how many do you have in total?

• 5790

• 579

• 5791

• 5792

What is the result of 789 + 456 after carrying over?

• 1100

• 1245

• 1205

• 1335

Perform regrouping in the addition of 3456 + 789

• 3456 + 789 = 3545

• 3456 + 789 = 4332

• 3456 + 789 = 4245

• 3456 + 789 = 4233

Estimate the sum of 123 + 456

• 579

• 579

• 500

• 600

Solve the word problem: John had 567 marbles and he found 234 more. How many marbles does he have now?

• 456

• 789

• 643

• 801

What is the sum of 987 + 654 using mental math?

• 1641

• 1560

• 1620

• 1701