What Are Decimals Decimals are the fractional parts found at the start of our number system A decimal point separates whole numbers from their fractional parts Whole Parts thousands hundreds tens ones decimal point tenths hundredths thousandths 4
Decimals are fractions based on ten so their denominators are never ever written 0 8 8 10 0 4 4 10 0 7 7 10 0 35 35 100 0 70 70 100 0 55 55 100 0 278 278 1,000 0 499 499 1,000 0 012 12 1,000 Check It Out The zero in front of a decimal is only there to help you notice the decimal point 5
Read Decimals Reading decimals is really cool as long as you know the last place value Let’s give it a try and correctly read the decimal 207 Step 1 Read the digits to the right of the decimal just as you Step 2 Say the place value of the last digit in the decimal Step 3 You are through because that is all you do would a whole number 0 207 tenths hundredths thousandths Two hundred seven thousandths Check It Out Ignore the decimal and the zero to the left of it 6
Read Mixed Decimals A mixed decimal has three parts Let’s take a look at how to read each part 105 86 Whole-number part Decimal Point Decimal Part Reading a mixed decimal is easy to do Just follow these steps all the way through Step 1 Read the whole number to the left of the decimal Step 2 Say and for the decimal Step 3 Read the digits to the right of the decimal just as Step 4 End by saying the place value of the last digit in you would a whole number the decimal 105 86 One hundred five and eighty-six hundredths 24 578 is twenty four and five hundred seventy-eight thousandths 9,001 14 is nine thousand one and fourteen hundredths 0 02 is two hundredths 0 010 is ten thousandths 7
