Decimals Concepts
1 of 11
Decimals Concepts
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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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