Three-Digit Addition and Subtraction Flashcard

Front

What is three-digit addition?

Back

Three-digit addition is the process of adding numbers that have three digits, such as 123 + 456.

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting one three-digit number from another, like 789 - 234.

Front

What is the sum of 165 and 104?

Back

269

Front

What is the difference between 165 and 104?

Back

61

Front

What is the sum of 379 and 802?

Back

1,181

Front

What is the sum of 644 and 728?

Back

1,372

Front

What is the sum of 720 and 726?

Back

1,446

Front

What is the sum of 552 and 172?

Back

724

Front

What does 'carry over' mean in addition?

Back

'Carry over' means to move a value from one column to the next when the sum exceeds 9.

Front

What does 'borrow' mean in subtraction?

Back

'Borrow' means to take 1 from the next column when the top number is smaller than the bottom number.