2-digit subtraction without regrouping

Front

90 - 40

Back

50

Front

45 - 31

Back

14

Front

68 - 10

Back

58

Front

80 - 50

Back

30

Front

35 - 11

Back

24

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What does 'regrouping' mean in subtraction?

Back

Regrouping is rearranging numbers to make subtraction easier, often used when borrowing is needed.

Front

What is a 2-digit number?

Back

A 2-digit number is a number that has two places, such as 10 to 99.

Front

What is the difference between 70 and 20?

Back

50

Front

What is the result of 50 - 20?

Back

30