Multiply and Divide Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 2.5 is a decimal.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there were no decimal, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is the process to divide a decimal by a whole number?

Back

To divide a decimal by a whole number, divide as if there were no decimal, then place the decimal point in the quotient directly above the decimal point in the dividend.

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, 2.56 rounded to the nearest whole number is 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.

Front

What is the value of 2.5 x 4?

Back

The value of 2.5 x 4 is 10.

Front

If you divide 1.2 by 4, what is the result?

Back

1.2 ÷ 4 = 0.3.

Front

How do you find the cost of multiple items when given the price per item?

Back

Multiply the price per item by the number of items. For example, if an item costs $6.20 and you buy 2.5 meters, the cost is 2.5 x 6.20 = $15.50.

Front

What is the total cost if three friends share a $12.54 gift?

Back

Each person pays $12.54 ÷ 3 = $4.18.

Front

How do you calculate the total cost of items purchased?

Back

Add the cost of each item together. For example, if you buy 4.5 pounds of grass seed at $1.22 per pound, the total cost is 4.5 x 1.22 = $5.49.