3 digit addition/subtraction with regrouping

Front

What is 887 + 0?

Back

887

Front

What is 972 - 690?

Back

282

Front

What is 400 + 408?

Back

808

Front

What is 400 + 444?

Back

844

Front

What is 700 + 96?

Back

796

Front

What does regrouping mean in addition?

Back

Regrouping means carrying over a value to the next column when the sum exceeds 10.

Front

What does regrouping mean in subtraction?

Back

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

Front

What is the sum of 345 + 678?

Back

1023

Front

What is the difference of 800 - 456?

Back

344

Front

What is 250 + 250?

Back

500