Core Focus on Decimals & Fractions Lesson 1.1 Core Focus on Decimals & Fractions Place Value with Decimals

Warm-up Pick up new ISN Write name and period on the front of the ISN Turn to page 2 & complete. Turn to page 3 and answer in complete sentences. Turn to page 4 and write, “Completed pages 2 & 3.” Sit quietly

Place Value with Decimals Lesson 1.1 Place Value with Decimals I can identify place value of decimals to thousandths. Target position: Horizontal, 2.5 from top left corner; Vertical, 4.0 from top left corner

Vocabulary Decimal A base ten number written with a decimal point. 2.75 decimal decimal point Good to Know!  Decimals are based on the number ten.  The value and position of each digit in a decimal determine how much the decimal is worth.  The decimal point separates the whole number from the part that is less than one. Textbox position 0.5 horizontal, 1.0 vertical “Good to Know” Position: 0.8 horizontal (Light bulb, 0.5 horizontal)

Example 1 Write 431.25 in word form. Fill in the place-value chart for the number.

Example 2 Write 0.6 in word form. Fill in the place-value chart for the number. Good to Know! When there is no whole number preceding the decimal point, only the part that is less than one is read.

Example 3 Write 45.703 in word form. Fill in the place-value chart for the number.

Example 4 Write the decimal that represents two and sixty-three hundredths. Write the whole number. two = 2 Insert the decimal for “and”. two and = 2. Add the part that is less sixty-three hundredths = 2.63 than one. Two and sixty-three hundredths = 2.63

Example 5 Write the word form of the number 32.125 Write the whole number. Insert the word “and” for the decimal. Add the words for the part that is less than one. 32.125

Practice Expectation Work given in class Work on practice in class Homework – what you didn’t complete in class Check the next day Completed Not Yet = lunch detention to complete work

Practice ISN page 6

Exit Problems 1. In which place is the 7 in the following decimal: 2.741? 2. In which place is the 3 in the following decimal: 12.563? Write the following decimals in word form: 3. 4.236 4. 6.09 5. 12.014 tenths place thousandths place four and two hundred thirty-six thousandths six and nine hundredths twelve and fourteen thousandths