3 Digit Addition and Subtraction with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is when you combine numbers that are greater than 10 and carry over to the next place value.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next place value to subtract a larger digit from a smaller digit.

Front

What is the sum of 687 and 291?

Back

978

Front

What is the difference when you subtract 437 from 872?

Back

435

Front

What do you do when the top number is smaller than the bottom number in subtraction?

Back

You regroup by borrowing from the next place value.

Front

What is the result of 992 minus 875?

Back

117

Front

What is the sum of 382 and 339?

Back

721

Front

How do you add 2-digit numbers to 3-digit numbers?

Back

Align the numbers by place value and add each column, regrouping if necessary.

Front

What is the difference between 456 and 278?

Back

178

Front

What does it mean to carry over in addition?

Back

Carrying over means moving a value to the next left column when a column sums to 10 or more.