Multiply Decimals

Front

What is the process for multiplying decimals?

Back

To multiply decimals, first multiply the numbers as if they were whole numbers. Then, count the total number of decimal places in both numbers being multiplied. The product should have the same number of decimal places as the total counted.

Tags

CCSS.6.NS.B.3

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100), and then simplify the fraction if possible.

Front

What is the value of 0.42 multiplied by 100?

Back

0.42 multiplied by 100 equals 42.

Tags

CCSS.5.NBT.A.2

Front

How do you calculate the total cost of an item when given the price per unit and the quantity?

Back

Multiply the price per unit by the quantity to find the total cost.

Tags

CCSS.7.EE.B.3

Front

If Damon works 32 hours at $10.75 per hour, how do you calculate his weekly earnings?

Back

Multiply 32 hours by $10.75 per hour to find his weekly earnings, which is $344.

Tags

CCSS.7.EE.B.3

Front

What is the result of multiplying $4.25 by 3.1?

Back

The result of multiplying $4.25 by 3.1 is $13.175.

Tags

CCSS.6.NS.B.3

Front

How do you round the result of a decimal multiplication?

Back

To round the result of a decimal multiplication, identify the place value to which you want to round, and then apply rounding rules based on the digit immediately to the right.

Tags

CCSS.5.NBT.B.7

Front

What is the significance of decimal places in multiplication?

Back

Decimal places determine the precision of the result. The more decimal places, the more precise the answer.

Tags

CCSS.5.NBT.B.7

Front

How do you handle multiplying a decimal by a whole number?

Back

Multiply the whole number by the decimal as if the decimal were a whole number, then place the decimal in the product according to the number of decimal places in the decimal.

Tags

CCSS.5.NBT.B.7

Front

What is the formula for calculating the total cost of multiple items?

Back

Total Cost = Price per Item x Quantity of Items.