Addition and Subtraction Regrouping

to rearrange groups in place value to carry out an operation

• difference

• sum

• regrouping

• expression

The answer to an addition problem is the...

• sum

• difference

• product

• quotient

Rearranging place values when you carry in addition or borrow in subtraction is called...

• rounding

• factoring

• comparing

• regrouping

When you take numbers away from each other that is

• addition

• multiplication

• subtraction

• division

• 340

• 343

• 355

• 433

• 87

• 78

• 77

• 68

Calculate the sum of 678 and 421.

• 1099

• 1100

• 1098

• 1200

Find the difference between 789 and 432.

• 567

• 123

• 357

• 654

Find the difference between 876 and 543.

• 333

• 333

• 333

• 333

Find the difference between 58 and 23.

• 35

• 15

• 40

• 25