Multiply and Divide 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 multiply decimals?

Back

To multiply 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 value of 0.5 x 0.2?

Back

0.1

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number. Move the decimal point in the dividend the same number of places. Then, divide as usual.

Front

What is 1.5 ÷ 0.3?

Back

5

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value. For example, 2.67 rounded to one decimal place is 2.7.

Front

What is the sum of 0.75 and 0.25?

Back

1.0

Front

If Sanvi spent $63.39, how much did she spend per item if she bought 2 packs of pencils, 3 erasers, and 1 white-out?

Back

To find the average cost per item, divide the total amount spent by the total number of items: $63.39 ÷ 6 = $10.56.

Front

What is the difference between 5.5 and 2.2?

Back

3.3

Front

How do you convert a fraction to a decimal?

Back

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