Rounding, Comparing, Adding and Subtracting Decimals

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was. For example, rounding 23.532 to the nearest tenth gives 23.5.

Front

How do you round 23.532 to the nearest tenth?

Back

To round 23.532 to the nearest tenth, look at the hundredths place (3). Since it is less than 5, you keep the tenths place (5) the same, resulting in 23.5.

Front

What does it mean to compare numbers?

Back

Comparing numbers involves determining which number is greater, less than, or equal to another number using symbols <, >, or =.

Front

What is the symbol for 'less than'?

Back

The symbol for 'less than' is <.

Front

What is the result of 3.41 - 1.74?

Back

The result of 3.41 - 1.74 is 1.78.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is the result of 6.8 - 2.93?

Back

The result of 6.8 - 2.93 is 3.87.

Front

How do you compare 1.026 and 1.206?

Back

1.026 is less than 1.206, so you write 1.026 < 1.206.

Front

What is the symbol for 'greater than'?

Back

The symbol for 'greater than' is >.

Front

What is the result of 3.025 and 3.250?

Back

3.025 is less than 3.250, so you write 3.025 < 3.250.