Adding and Subtracting within 1000 with and without regrouping

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What does regrouping mean in addition?

Back

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

Front

What does regrouping mean in subtraction?

Back

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

Front

346 + 241 = ?

Back

587

Front

489 + 345 = ?

Back

834

Front

453 + 229 = ?

Back

682

Front

838 - 654 = ?

Back

184

Front

487 - 279 = ?

Back

208

Front

What is the sum of two numbers?

Back

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