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Tenths and Hundredths

Tenths and Hundredths. By Mr. Bales. Objective. By the end of the lesson, you will be able to identify, read, and write tenths and hundredths as decimals and fractions. Standard 4NS1.6 - Students will write tenths and hundredths in decimal notation and fraction notation…. Introduce.

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Tenths and Hundredths

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  1. Tenths and Hundredths By Mr. Bales

  2. Objective • By the end of the lesson, you will be able to identify, read, and write tenths and hundredths as decimals and fractions. • Standard 4NS1.6 - Students will write tenths and hundredths in decimal notation and fraction notation…..

  3. Introduce • Using your tenths grid, shade in 0.2, 0.7 and 0.5 to show each number. • What is the fraction for each grid that you shaded? • Now, with the hundredths grid, shade 0.02 and 0.07 to show each number. • What is the fraction for each grid that you shaded?

  4. Teach • Look at this decimal: 0.47 • Which grid, tenths or hundredths, would you choose to show this number? Why? • How many columns of 10 squares would you shade in? • How many more small squares should be shaded in? • How many squares out of 100 should be shaded in to show this number? • Which number is greater, 0.4 or 0.47? How do you know?

  5. Get Ready to Learn • It costs 85 cents for a child to ride to the Sacramento light rail system. Can you write this part of a dollar as a fraction and as a decimal?

  6. What is a Decimal? • A decimal is a number that uses place value, and a decimal point to show part of a whole.

  7. One Way: Model Draw a hundredths model. Shade 85 out of 100 parts to show 85 cents. Read: eighty-five hundredths Write: 85/100 or 0.85 Another Way: Place Value Read: eighty-five hundredths Write: 85/100 or 0.85 0 8 5 Read and Write Decimals Write 85 cents as a fraction and as a decimal. Concept in Motion!!

  8. Some decimals can be written as tenths and hundredths.

  9. One Way: Write Tenths Read: five tenths Write: 0.5 Another Way: Write Hundredths Read: fifty hundredths Write: 0.50 Write Tenths and Hundredths Write 5/10 as two different decimals. Mrs. Verughese!!

  10. Bales Bucks!! • Write as a fraction and as a decimal. • one tenth • twenty-five hundredths • seven hundredths • Write each fraction as a decimal. • 6/10 • 9/10 • 10/100 • 69/100

  11. Assignment • Page 559 - #’s 13 - 34 • Get them all correct - No Math Homework

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