G3-U3-L16 CFU Addition and Subtraction with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 9.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Front

Solve: 817 - 529 = ?

Back

288

Front

Solve: 246 + 553 = ?

Back

799

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

Solve: 297 + 468 = ?

Back

765

Front

Solve: 804 - 257 = ?

Back

547

Front

Solve: 589 - 267 = ?

Back

322

Front

What does it mean to add?

Back

To add means to combine two or more quantities to find a total.