Decimal Operations

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point (.) to separate the whole number part from the fractional part. For example, 0.5 represents half.

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. Place the decimal point in the answer directly below the other decimal points.

Front

What is the value of 0.7 in fractions?

Back

0.7 is equivalent to 7/10.

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. Place the decimal point in the answer directly below the other decimal points.

Front

What is multiplication of decimals?

Back

When multiplying decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the result of 0.5 + 0.3?

Back

0.5 + 0.3 = 0.8.

Front

What is the result of 1.2 - 0.4?

Back

1.2 - 0.4 = 0.8.

Front

What is the result of 2.5 x 2?

Back

2.5 x 2 = 5.0.

Front

What is the result of 3.6 ÷ 1.2?

Back

3.6 ÷ 1.2 = 3.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number). For example, 1/4 = 0.25.