Using Subtraction to Add

Using Subtraction to Add

You can use subtraction to help you add

Using subtraction

5 + __ = 9 is the same as 9 - 5 = __

so the missing number is 4

5 + 4 = 9 and 9 - 5 = 4

Multiple Choice

Find the value of the unknown number

147 + ___ = 306

• 159

• 453

• 195

Multiple Choice

Find the value of the unknown number

306 + ___ = 753

• 474

• 1,059

• 447

Multiple Choice

Find the value of the unknown number

45 + ___ = 374

• 419

• 329

• 239

Multiple Choice

Find the value of the unknown number

456 + ___ = 987

• 531

• 513

• 1443

• 431

Multiple Choice

Find the value of the unknown number

249 + ___ = 751

• 508

• 502

• 990

• 518

Poll

How do you feel about using subtraction to add?

• I feel great! For real this was easy Ms Holley

• I feel ok ... I will practice on Splash Learn

• I dont feel great. I dont understand it