Adding and Subtracting decimals

Front

What is a decimal?

Back

A decimal is a number that has a whole part and a fractional part, separated by a decimal point. For example, 3.14 is a decimal.

Front

How do you add decimals?

Back

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

Front

What is the value of 0.5 in fractions?

Back

0.5 is equivalent to 1/2.

Front

What is the first step in subtracting decimals?

Back

The first step is to align the numbers by the decimal point.

Front

What is 2.3 + 1.7?

Back

2.3 + 1.7 = 4.0.

Front

What is 5.6 - 2.4?

Back

5.6 - 2.4 = 3.2.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is easier to work with, often to a certain number of decimal places.

Front

How do you round 3.76 to the nearest whole number?

Back

3.76 rounded to the nearest whole number is 4.

Front

What is the decimal equivalent of 3/4?

Back

The decimal equivalent of 3/4 is 0.75.

Front

What is the sum of 0.25 and 0.75?

Back

0.25 + 0.75 = 1.0.