Decimals Concepts

Decimals Concepts - Transcript

Chap r 1 te 2
PLACE VALUE WITH DECIMALS

Ho doI kno what kindo de im it w w f c al is
The name of a decimal is determined by the number

of places to the right of the decimal point
Number of Places 1 2 3 Decimal Name tenths hundredths thousandths Example 0 7 0 05 0 016

What arem dde im ixe c als
Mixed decimals are numbers with both whole

numbers and decimals The name of a whole number is determined by the number of places to the left of the decimal point


In the number 128 765 1 is in the hundreds place 2 is in the tens place 8 is in the ones place 7 is in the tenths place 6 is in the hundredths place and 5 is in the thousandths place

Ho doyo re de im w u ad c als
To read a decimal correctly first find the decimal

point Whole numbers are to the left of the decimal point any numbers to the right of a decimal point form a decimal fraction Say and for the decimal point


The decimal 2164 511 is read as two thousand one hundred sixty four and five hundred eleven thousandths

Ze safte thede im po ro r c al int
Writing extra zeros after the decimal point does not

change the value


The decimals 0 2 0 20 and 0 200 are equivalent decimals

Prac e tic
HERE ARE SOME PRACTICE PROBLEMS IN WHICH I WILL WORK THROUGH WITH YOU TO MAKE SURE THAT YOU UNDERSTAND THE MAIN CONCEPTS COVERED

Exe is 1 rc e
Write the decimals 1 Five thousandths 2 Ninety four thousandths 3 Three hundred thirty six and sixty nine hundredths

Exe is 2 rc e
Write each decimal in words 1 7884 011 2 5592 4 3 4 203 4 612 250 5 10 44

Exe is 3 rc e
In what place on the place value chart is the underlined digit Write the answer 1 1 475 2 3 763 3 7780 215 4 412 407 5 902 103

Exe is 4 rc e
Write a decimal that has the same number 1 0 2 2 5 51 3 410 6 4 753 809

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