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 the sum of 638 and 345?

Back

The sum of 638 and 345 is 983.

Front

What is the next number in the sequence: 320, 340, 360, 380, 400, ___?

Back

The next number in the sequence is 420.

Front

What is the sum of 321 and 4,543?

Back

The sum of 321 and 4,543 is 4864.

Front

What is the sum of 424 and 277?

Back

The sum of 424 and 277 is 701.

Front

What does it mean to subtract?

Back

Subtracting means taking one number away from another.

Front

What is the difference between 500 and 275?

Back

The difference between 500 and 275 is 225.

Front

What is the process of carrying in subtraction?

Back

Carrying in subtraction is when you need to borrow from the next column because the top number is smaller than the bottom number.

Front

What is the sum of 150 and 250?

Back

The sum of 150 and 250 is 400.

Front

What is the difference between 800 and 450?

Back

The difference between 800 and 450 is 350.