Adding Two Digit Numbers

Front

What is expanded form?

Back

Expanded form is a way of writing a number to show the value of each digit. For example, 84 in expanded form is 80 + 4.

Front

Write 84 in expanded form.

Back

80 + 4

Front

What is the value of the digit 4 in the number 84?

Back

4 is in the ones place, so its value is 4.

Front

What is the value of the digit 8 in the number 84?

Back

8 is in the tens place, so its value is 80.

Front

What is 30 + 4 in standard form?

Back

34

Front

What is the value shown by the number 14?

Back

14 is the number itself.

Front

What is the value shown by the number 41?

Back

41 is the number itself.

Front

What is the value shown by the number 60?

Back

60 is the number itself.

Front

What is the value shown by the number 36?

Back

36 is the number itself.

Front

How do you add two-digit numbers?

Back

To add two-digit numbers, you can add the tens first and then the ones.