Plus and Minus 10 and 100

Front

41 + 30 = ?

Back

71

Front

10 + 80 = ?

Back

90

Front

673 - 100 = ?

Back

573

Front

85 + 10 = ?

Back

95

Front

417 + 10 = ?

Back

427

Front

What is adding 10 to a number?

Back

It means to increase the number by 10.

Front

What is subtracting 100 from a number?

Back

It means to decrease the number by 100.

Front

What is the result of 50 + 10?

Back

60

Front

What is the result of 100 - 10?

Back

90

Front

What happens when you add 100 to 200?

Back

300