Understanding Decimals: Place Value and Reading Practice

Learn about decimal place value, types of decimals, how to read decimals, understanding mixed decimals, and practicing decimal exercises, including writing decimals in words and identifying digits in place value charts.

• Decimals
• Place Value
• Reading
• Mixed Decimals
• Practice

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Uploaded on Aug 27, 2024 | 1 Views

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1. Chapter 1.2 PLACE VALUE WITH DECIMALS

2. How do I know what kind of decimal it is? The name of a decimal is determined by the number of places to the right of the decimal point Number of Places Decimal Name Example 1 tenths 0.7 2 hundredths 0.05 3 thousandths 0.016

3. What are mixed decimals? 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

4. How do you read decimals? 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

5. Zeros after the decimal point Writing extra zeros after the decimal point does not change the value! The decimals 0.2, 0.20, and 0.200 are equivalent decimals

6. Practice HERE ARE SOME PRACTICE PROBLEMS IN WHICH I WILL WORK THROUGH WITH YOU TO MAKE SURE THAT YOU UNDERSTAND THE MAIN CONCEPTS COVERED.

7. Exercise 1 Write the decimals. 1. Five thousandths 2. Ninety-four thousandths 3. Three hundred thirty-six and sixty-nine hundredths

8. Exercise 2 Write each decimal in words. 1. 7884.011 2. 5592.4 3. 4.203 4. 612.250 5. 10.44

9. Exercise 3 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

10. Exercise 4 Write a decimal that has the same number. 1. 0.2 2. 5.51 3. 410.6 4. 753.809