Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some have been taken away.

Front

What does the term 'tens' mean in subtraction?

Back

Tens refer to the second place value in a number. For example, in the number 42, the '4' represents 40, which is 4 tens.

Front

What does the term 'hundreds' mean in subtraction?

Back

Hundreds refer to the third place value in a number. For example, in the number 124, the '1' represents 100, which is 1 hundred.

Front

How do you subtract two-digit numbers?

Back

To subtract two-digit numbers, align the numbers by place value and subtract starting from the rightmost digit.

Front

How do you subtract three-digit numbers?

Back

To subtract three-digit numbers, align the numbers by place value and subtract starting from the rightmost digit, borrowing if necessary.

Front

42 - 19 = ____

Back

23

Front

124 - 57 = ____

Back

67

Front

35 - 15 = ____

Back

20

Front

193 - 46 = ____

Back

147

Front

162 - 89 = ____

Back

73