4.NBT.B.4 Multi-Digit Addition and Subtraction

Front

What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, aligning them by place value and adding each column from right to left.

Front

What is multi-digit subtraction?

Back

Multi-digit subtraction is the process of subtracting numbers that have more than one digit, aligning them by place value and subtracting each column from right to left.

Front

What is the sum of 12,376 and 83,285?

Back

95,661

Front

What is the sum of 298,879 and 131,451?

Back

430,330

Front

What is the difference when you subtract 4,577 from 8,362?

Back

3,785

Front

What is the sum of 8,557 and 4,297?

Back

12,854

Front

What is the difference when you subtract 235,398 from 456,515?

Back

221,117

Front

What does 'carry over' mean in addition?

Back

'Carry over' refers to the process of transferring a value from one column to the next when the sum exceeds the base value (10 in base 10) during addition.

Front

What does 'borrow' mean in subtraction?

Back

'Borrow' refers to the process of taking a value from the next higher place value when the top digit is smaller than the bottom digit in subtraction.

Front

How do you check your addition?

Back

You can check your addition by using the inverse operation of subtraction. Subtract one of the addends from the sum to see if you get the other addend.