Four digit Addition and Subtraction Problem

Front

What is the process of adding two four-digit numbers called?

Back

Addition

Front

What is the process of subtracting one four-digit number from another called?

Back

Subtraction

Front

What is the sum of 4,639 and 672?

Back

5,311

Front

What is the result of subtracting 1,048 from 2,438?

Back

1,390

Front

What is the value of the digit '6' in the number 4,639?

Back

600 (it is in the hundreds place)

Front

How do you align numbers for addition?

Back

Align the numbers by their rightmost digits (units place) and ensure each digit is in the correct column (thousands, hundreds, tens, units).

Front

What is the first step in solving a four-digit addition problem?

Back

Align the numbers vertically by place value.

Front

What is the first step in solving a four-digit subtraction problem?

Back

Align the numbers vertically by place value.

Front

What is the importance of carrying in addition?

Back

Carrying is necessary when the sum of a column exceeds 9, as it affects the next column's total.

Front

What is the importance of borrowing in subtraction?

Back

Borrowing is necessary when the top digit in a column is smaller than the bottom digit, allowing for correct subtraction.