Adding Double-Digit Numbers

Front

12 + 25 = ?

Back

37

Front

65 + 23 = ?

Back

88

Front

45 + 31 = ?

Back

76

Front

14 + 35 = ?

Back

49

Front

32 + 20 = ?

Back

52

Front

What is addition?

Back

Addition is combining two or more numbers to find their total.

Front

What do we call the numbers we add together?

Back

Addends.

Front

What is the result of an addition called?

Back

Sum.

Front

If you add 10 to a number, what happens to that number?

Back

It increases by 10.

Front

What is the sum of 20 and 30?

Back

50