## Basic Maths

Published in: Mathematics
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• ### Arman R

• Rajkot
• 3 Years of Experience
• Qualification: M.Sc, B.Sc
• Teaches: Mathematics, Algebra
• Contact this tutor

Decimal terminology

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1.2 PLACE VALUE WITH DECIMALS
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How Ka ( at [42 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
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WC" øcvzd LJ„JD 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 o 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
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HOW /va 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 o The decimal 2164.511 is read as "two thousand, one hundred sixty-four and five hundred eleven thousandths"
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2eaa4 70 /eeeüMZ Writing extra zeros after the decimal point does not change the value! o The decimals 0.2, 0.20, and 0.200 are equivalent decimals
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HERE ARE SOME PRACTICE PROBLEMS IN WHICH I WILL WORK THROUGH WITH YOU TO MAKE SURE THAT YOU UNDERSTAND THE MAIN CONCEPTS COVERED.
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Ezzuae I Write the decimals. 2. 3. Five thousandths Ninety-four thousandths Three hundred thirty-six and sixty-nine hundredths
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Ezeuüe 2 Write each decimal in words. 2. 3. 4. 5. 7884.011 5592.4 612.250 10.44
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EzeuOe 3 In what place (on the place value chart) is the underlined digit? Write the answer. 2. 3. 4. 5. I .475 3.763 7780.215 412.407 902.103
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Ezzuüz L} Write a decimal that has the same number. 2. 3. 4. 0.2 5.51 410.6 753.809
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