Adding two digit numbers

Front

What is the sum of 52 and 20?

Back

72

Front

What is the sum of 25 and 25?

Back

50

Front

What is the sum of 35 and 10?

Back

45

Front

What is the sum of 35 and 18?

Back

53

Front

What is the sum of 42 and 32?

Back

74

Front

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

Back

Addition

Front

What do you call the number you add to another number in addition?

Back

Addend

Front

What is the result of adding two numbers called?

Back

Sum

Front

If you add 10 to a two-digit number, what happens to the tens place?

Back

It remains the same, and the ones place increases by 0.

Front

What is a quick way to add numbers like 25 + 25?

Back

Double the number, so 25 + 25 = 2 x 25 = 50.