Before looking at x and ÷ with decimal numbers in general, we need to be familiar with x and ÷ by 10, 100, 1000, (and other powers of 10)
The decimal indicates which digit is in the 'ones' place Once this digit is known, we can determine the place value of all other digits in the number
So 17 591 is 17 and 5 tenths, 9 hundredths and 1 thousandth We refer to the number of digits after the decimal point as the decimal places So 17 591 has 3
In the United States, we use the decimal or period (“ ”) to represent the difference between whole numbers and partial numbers
A decimal written in words can be written in standard form, or numerical form, using the following steps Step 1:Write the whole number part before the ”and”
But before writing our answer down, we need to inspect the decimal place that comes after the line we have drawn If this digit is a 0, 1, 2, 3 or 4 then the
We use a full stop (called "point"), not a comma, before the decimal places You can also read the full number after the decimal point and then say the word
Many times when using decimals or even whole numbers, you have to do some rounding up or down, since the answer needs to be to a certain number of decimal
Step 2: Because 5 , 6, the quotient will be less than 1, so place a 0 before the decimal point in the quotient Step 3: Divide as you would with whole numbers
Before decimal fractions smaller than one, use a zero, never a blank space When using with a currency, always either round up or round down to a full number or
Before looking at x and ÷ with decimal numbers in general, we need to be If there is a decimal number involved, we still pick up the number and move it
place value of all other digits in the number Working with Decimals www khanacademy org/math/pre-algebra/decimals-pre-alg/dec-rounding-estimation- pre-
1) Multiply the decimals as if the decimals were whole numbers division until it terminates, adding any 0's to the dividend where necessary: Quotient