Unit 4 Decimal Computation Review

Front

What is decimal division?

Back

Decimal division is the process of dividing numbers that include decimal points. It involves determining how many times one number can fit into another, taking into account the decimal places.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, move the decimal point in the dividend (the number being divided) to the right until it becomes a whole number. Then, divide as you would with whole numbers and place the decimal point in the quotient (the result) directly above where it is in the dividend.

Front

What is the product of 0.9 and 3.5?

Back

3.15

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 1.8 ÷ 0.6?

Back

3

Front

How do you divide decimals?

Back

To divide decimals, you can multiply both the divisor (the number you are dividing by) and the dividend (the number being divided) by 10, 100, or 1000 to eliminate the decimal in the divisor. Then, divide as you would with whole numbers.

Front

What is the weight of Abigail's dog if Jordan's dog weighs 32.8 pounds and Abigail's dog weighs 3.6 times as much?

Back

118.08 pounds

Front

How do you find a percentage of a number?

Back

To find a percentage of a number, convert the percentage to a decimal and multiply it by the number. For example, to find 20% of 50, convert 20% to 0.20 and multiply: 0.20 x 50 = 10.

Front

What is 46.8 ÷ 4?

Back

11.7

Front

How do you split a total cost evenly among several people?

Back

To split a total cost evenly, divide the total amount by the number of people sharing the cost. For example, if the total is $81.20 and there are 4 people, divide $81.20 by 4 to find out how much each person owes.