Adding and Subtracting Decimals

Front

What is the sum of 47.82 and 13.36?

Back

61.18

Front

If Annie gives $100 for her purchase of $61.18, how much change does she receive?

Back

$38.82

Front

What is a 'ghost decimal'?

Back

A 'ghost decimal' is an implied decimal point that exists behind the last digit of a whole number, indicating that the number can be expressed as a decimal.

Front

In the number 24, where is the 'ghost decimal' hiding?

Back

Behind the 4.

Front

What is 123.6 - 0.08?

Back

123.52

Front

What is the difference between 9.73 and 2.52?

Back

7.21

Front

What is the sum of 3.35, 1.4, and 3.65?

Back

8.4

Front

How do you align decimals when adding or subtracting?

Back

Align the decimal points vertically to ensure proper addition or subtraction of each place value.

Front

What is the result of 5.5 + 2.3?

Back

7.8

Front

What is the result of 10.0 - 3.75?

Back

6.25